{"title":"CO₂ Cylinder Refills","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eKeep your \u003ca href=\"\/collections\/sodamakers\"\u003esparkling water maker\u003c\/a\u003e, drinks dispenser or other CO₂ equipment supplied with gas using CO₂ refill cylinders from GAS4U.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eOur CO₂ refill cylinders provide a convenient way to replenish your gas supply without continually purchasing new cylinders. Whether you need a one-off refill or regularly use CO₂ at home, our CO₂ Refill Club makes keeping your cylinders topped up simple.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eKnow your connection type? Go straight to our \u003ca href=\"\/collections\/quick-connect-co2-cylinders\"\u003eQuick Connect CO₂ cylinders\u003c\/a\u003e for click-in machines such as the SodaStream TERRA, ART and DUO, or our \u003ca href=\"\/collections\/screw-in-co2-cylinders\"\u003eScrew-In CO₂ cylinders\u003c\/a\u003e for most other sparkling water makers and taps. Looking for genuine SodaStream? See our \u003ca href=\"\/collections\/sodastream-gas-refills\"\u003eSodaStream gas refills\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eShop CO₂ Refill Cylinders\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eGAS4U offers convenient CO₂ refill options for compatible cylinders, including 425g cylinders designed to make up to 60 litres of sparkling water.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eChoose the right connection for your machine:\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eScrew-In CO₂ Refill Cylinder – 425g\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eOur 425g Screw-In CO₂ Gas Cylinder Refill is designed for compatible sparkling water makers and CO₂ systems that use a traditional screw-in cylinder.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eEach cylinder can make up to 60 litres of sparkling water, depending on your carbonation level and usage.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eIf your machine uses a standard screw-in CO₂ cylinder, this is the refill option to choose.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eShop Screw-In CO₂ Refill Cylinders\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eQuick Connect CO₂ Refill Cylinder – 425g\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eFor compatible machines using the Quick Connect system, our 425g Quick Connect CO₂ Gas Cylinder Refill provides a straightforward way to replenish your CO₂ supply.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eEach cylinder can make up to 60 litres of sparkling water, making it a convenient choice for regular home use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe Quick Connect cylinder is suitable for compatible machines including SodaStream TERRA, DUO and ART models.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eShop Quick Connect CO₂ Refill Cylinders\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eWhat Are CO₂ Refill Cylinders?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eCO₂ refill cylinders are used to replenish the carbon dioxide supply in compatible equipment. For sparkling water makers, CO₂ is injected into water under pressure to create the fizz and carbonation you enjoy.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eOnce your cylinder is empty, you can have it refilled rather than replacing the entire cylinder with a new one.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eAt GAS4U, our CO₂ refill service gives you a convenient way to keep your cylinders in circulation while making regular CO₂ supplies easier to manage.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eJoin the GAS4U CO₂ Refill Club\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eIf you regularly use CO₂, the GAS4U CO₂ Refill Club takes the hassle out of remembering to order your next refill.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe Club is designed for customers who need a regular supply of CO₂ refill cylinders. Instead of waiting until your cylinder is empty and placing a new order, you can set up a recurring supply and have your fresh cylinders dispatched when your renewal is due.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eYou'll receive a reminder email 10 days before your renewal, giving you time to prepare your empty cylinders for return.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eHow the CO₂ Refill Club Works\u003c\/span\u003e\u003c\/h3\u003e\n\u003col\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eChoose your refill option – Select the CO₂ refill cylinder that suits your equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eSet up your subscription – Join the GAS4U CO₂ Refill Club for regular deliveries.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eReceive your reminder – GAS4U will email you 10 days before your renewal date.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eReceive your fresh cylinders – Your payment is processed on the renewal date and your fresh CO₂ cylinders are dispatched.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eReturn your empty cylinders – Contact GAS4U to arrange collection of your empty cylinders within the return period.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eKeep your CO₂ supply going – Your next refill is taken care of, so you don't have to worry about running out.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eWith the CO₂ Refill Club, regular CO₂ users can make their cylinder refills more predictable and convenient.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eWhy Choose CO₂ Refill Cylinders from GAS4U?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eChoosing a refill service can be a convenient alternative to continually buying new cylinders. GAS4U makes it straightforward to order the CO₂ you need and return your empty cylinders.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eWith GAS4U, you can:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eOrder CO₂ refill cylinders online\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eChoose between Screw-In and Quick Connect options\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eGet 425g cylinders capable of making up to 60 litres of sparkling water\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eReturn empty cylinders through GAS4U's refill service\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eReceive credit for eligible returned cylinders\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eJoin the CO₂ Refill Club for regular deliveries\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eMake your CO₂ supply easier to manage\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eWhich CO₂ Refill Cylinder Do I Need?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe correct cylinder depends on the equipment you use. Before ordering, check whether your machine requires a Screw-In or Quick Connect cylinder.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eScrew-In CO₂ Cylinders\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eChoose a Screw-In refill if your machine accepts a traditional screw-in CO₂ cylinder.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThese cylinders are commonly used by older and compatible sparkling water makers and are fitted by screwing the cylinder into the machine.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eQuick Connect CO₂ Cylinders\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eChoose a Quick Connect refill if your machine uses the Quick Connect connection system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eGAS4U's Quick Connect 425g refill is suitable for compatible SodaStream models including TERRA, DUO and ART.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eIf you're unsure which cylinder your machine requires, check the manufacturer's instructions or contact GAS4U before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eCO₂ Refills for Sparkling Water Makers\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eCO₂ refill cylinders are an essential part of making sparkling water at home. A 425g cylinder can make up to 60 litres of sparkling water, although the actual amount will vary depending on how heavily you carbonate your drinks.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eInstead of buying bottled sparkling water every time you want a fizzy drink, a compatible CO₂ cylinder allows you to carbonate water at home whenever you need it.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eKeeping a spare refill cylinder available can also help ensure you never run out of CO₂ when you want sparkling water.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eMake Your CO₂ Refills Easier with GAS4U\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eWhether you need a single CO₂ refill cylinder or regularly go through cylinders at home, GAS4U offers a simple way to manage your CO₂ supply.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eChoose from 425g Screw-In or Quick Connect CO₂ refill cylinders, depending on your equipment, or join the GAS4U CO₂ Refill Club for a more convenient recurring refill service.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eOrder your CO₂ refill cylinder from GAS4U today.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eHow long does a 425g CO₂ cylinder last?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eA 425g CO₂ cylinder can make up to 60 litres of sparkling water. The actual amount you get from a cylinder depends on factors such as how often you carbonate and the level of carbonation you prefer.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eWhat is the difference between Screw-In and Quick Connect CO₂ cylinders?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e\u003ca href=\"\/collections\/screw-in-co2-cylinders\"\u003eScrew-In cylinders\u003c\/a\u003e are fitted by screwing them into a compatible machine. \u003ca href=\"\/collections\/quick-connect-co2-cylinders\"\u003eQuick Connect cylinders\u003c\/a\u003e use a compatible Quick Connect connection instead. Always check which type your equipment requires before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eCan I refill my empty CO₂ cylinder with GAS4U?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eGAS4U offers a CO₂ cylinder refill service where eligible empty cylinders can be returned and credited towards future orders. This helps you keep your existing cylinder supply in circulation rather than continually purchasing replacements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eWhat is the GAS4U CO₂ Refill Club?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe GAS4U CO₂ Refill Club is a recurring refill service for customers who regularly use CO₂. Fresh cylinders are dispatched when your subscription renews, helping you maintain a regular CO₂ supply without having to remember to place every order manually.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eWhen will I be reminded about my CO₂ refill?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eGAS4U sends a reminder email 10 days before your subscription renewal, giving you time to prepare your empty cylinders and make arrangements for their return.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eHow many litres of sparkling water can a CO₂ refill cylinder make?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eGAS4U's 425g CO₂ refill cylinders can make up to 60 litres of sparkling water. Actual output depends on your machine and how much carbonation you use.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eWhich CO₂ refill cylinder should I buy?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eCheck the connection on your machine before ordering. If it uses a traditional screw-in connection, choose the Screw-In CO₂ Refill Cylinder. If it uses a Quick Connect system, choose the Quick Connect CO₂ Refill Cylinder.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eIf you're unsure, contact GAS4U for advice before purchasing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eComplete your setup with \u003ca href=\"\/collections\/bottles\"\u003espare carbonating bottles\u003c\/a\u003e and \u003ca href=\"\/collections\/flavours\"\u003eSodaStream syrups\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"sodastream-screw-in-co2-gas-cylinder-refill-425g","title":"SodaStream CO₂ Cylinder 425g (Screw-In)","description":"\u003cp data-lfile-container=\"d4367431-ba30-48e4-a1df-5cfb5a7b7309\" data-pm-slice=\"1 1 []\"\u003eThe genuine SodaStream 425g Screw-In CO₂ Cylinder is the classic blue cylinder that fits most screw-in sparkling water makers. Simply twist it into place and you're ready to make up to 60 litres of sparkling water, saving over 120 single-use plastic bottles along the way.\u003c\/p\u003e\n\u003cp\u003eGas4U delivers SodaStream cylinders to homes across Ireland, with a straightforward process for returning your empties.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 id=\"why-choose-the-sodastream-screw-in-425g-co₂-cylinder\"\u003eWhy Choose the SodaStream Screw-In 425g CO₂ Cylinder?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eTrusted SodaStream Quality\u003c\/strong\u003e This is an official SodaStream cylinder, filled with food-grade CO₂ for consistent, reliable carbonation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits Most Screw-In Machines\u003c\/strong\u003e The blue screw-in cylinder suits a wide range of sparkling water makers that use the traditional screw-in connection. No adapters needed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUp to 60 Litres of Sparkling Water\u003c\/strong\u003e Each cylinder carbonates up to 60 litres, which is about:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e60 x 1-litre bottles\u003c\/li\u003e\n\u003cli\u003e120 x 500ml bottles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eYour fizz level makes the difference. Lightly sparkling water gets more from each cylinder, while extra fizzy drinks use more.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGreat Value Over Bottled Water\u003c\/strong\u003e A spare cylinder saves you money on bottled fizzy water and spares you from carrying heavy cases home. Make plain sparkling water or your own soft drinks whenever you like.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHealthy Hydration\u003c\/strong\u003e Sparkling water made at home has zero calories, no artificial sweeteners and no preservatives.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDelivery and Returns Made Easy\u003c\/strong\u003e We deliver nationwide. One-time customers return empties with a single free return label and earn credit for each cylinder. Subscribers save up to 50%, enjoy free shipping and have empties collected at renewal.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 id=\"faqs-2\"\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich machines does this cylinder fit?\u003c\/strong\u003e It fits sparkling water makers with a traditional screw-in CO₂ connection. It does not fit Quick Connect machines such as the SodaStream TERRA, ART or DUO.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I fit a screw-in cylinder?\u003c\/strong\u003e Remove the cap, insert the cylinder into the machine and screw it in clockwise until it's hand-tight. Don't use tools or overtighten.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much sparkling water does it make?\u003c\/strong\u003e Up to 60 litres, depending on your preferred level of carbonation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the CO₂ food grade?\u003c\/strong\u003e Yes. The cylinder contains food-grade carbon dioxide, suitable for drinking water and homemade sparkling drinks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs there a lower-cost alternative?\u003c\/strong\u003e Yes. The Gas4U Screw-In 425g cylinder offers the same capacity and food-grade CO₂ for less.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow often will I need a new cylinder?\u003c\/strong\u003e Drinking around one litre of sparkling water a day, one cylinder typically lasts six to eight weeks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens to my empty cylinder?\u003c\/strong\u003e Send it back through the Gas4U returns process. One-time buyers get credit towards their next order; subscribers arrange a free collection after each renewal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I keep a spare cylinder at home?\u003c\/strong\u003e Absolutely. Having a second cylinder means you can swap immediately and never run out.\u003c\/p\u003e","brand":"GAS4U","offers":[{"title":"SodaStream \/ 1","offer_id":54916185358601,"sku":"1-PACK-SS-Screw","price":27.99,"currency_code":"EUR","in_stock":true},{"title":"SodaStream \/ 2","offer_id":54916185850121,"sku":"2-PACK-SS-Screw","price":57.99,"currency_code":"EUR","in_stock":true},{"title":"SodaStream \/ 4","offer_id":54916185882889,"sku":"4-PACK-SS-Screw","price":115.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0865\/5739\/3161\/files\/2x_1032121441.png?v=1756986749"},{"product_id":"sodastream-quick-connect-co2-gas-cylinder-refill-425g","title":"SodaStream CO₂ Cylinder 425g (Quick Connect)","description":"\u003cdiv class=\"info-tabs-why-soda-wrapper pt-20 pb-20 d-flex flex-column\"\u003e\n\u003cp data-lfile-container=\"d4367431-ba30-48e4-a1df-5cfb5a7b7309\" data-pm-slice=\"1 1 []\"\u003eKeep the bubbles flowing with a genuine SodaStream 425g Quick Connect CO₂ Cylinder, the pink cylinder made for SodaStream TERRA, ART and DUO machines. It slots in and locks with a single lever, so a fresh cylinder takes seconds to fit. Each one makes up to 60 litres of sparkling water and saves over 120 single-use plastic bottles.\u003c\/p\u003e\n\u003cp\u003eOrder online from Gas4U and we'll deliver to your door anywhere in Ireland. When it runs empty, send it back with our simple returns process.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 id=\"why-choose-the-sodastream-quick-connect-425g-co₂-cylinder\"\u003eWhy Choose the SodaStream Quick Connect 425g CO₂ Cylinder?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eMade for TERRA, ART and DUO\u003c\/strong\u003e This is the official SodaStream Quick Connect cylinder, designed to fit the TERRA, ART and DUO sparkling water makers perfectly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSlot, Snap and Fizz\u003c\/strong\u003e No twisting or screwing required. Slide the cylinder in, lower the lever and you're ready to carbonate.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUp to 60 Litres per Cylinder\u003c\/strong\u003e One 425g cylinder carbonates up to 60 litres of water. That's around:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e60 x 1-litre bottles\u003c\/li\u003e\n\u003cli\u003e120 x 500ml bottles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe exact amount depends on your fizz level. Go lighter and it lasts longer; go extra fizzy and you'll use more gas.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eZero Calories, No Additives\u003c\/strong\u003e Sparkling water from your SodaStream contains no calories, no artificial sweeteners and no preservatives, making it an easy swap for sugary drinks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLess Plastic, Fewer Shopping Trips\u003c\/strong\u003e Every cylinder replaces over 120 single-use plastic bottles. No more carrying heavy multipacks home from the supermarket.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNationwide Delivery and Easy Returns\u003c\/strong\u003e Gas4U delivers across Ireland. One-time buyers get a free return label and credit for every empty returned. Subscribers save up to 50%, get free shipping and have empties collected at each renewal.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 id=\"faqs-1\"\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich SodaStream machines does this cylinder fit?\u003c\/strong\u003e The pink Quick Connect cylinder fits SodaStream TERRA, ART and DUO machines. It does not fit older screw-in models; for those, choose the blue Screw-In cylinder.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I fit a Quick Connect cylinder?\u003c\/strong\u003e Open the back of your machine, slot the cylinder in and lower the lever to lock it. There's nothing to screw in.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much sparkling water will one cylinder make?\u003c\/strong\u003e Up to 60 litres, depending on how fizzy you like your drinks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the gas food grade?\u003c\/strong\u003e Yes. SodaStream cylinders contain food-grade CO₂, suitable for carbonating drinking water and soft drinks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs there a cheaper option?\u003c\/strong\u003e Yes. The Gas4U Quick Connect 425g cylinder holds the same amount of food-grade CO₂ at a lower price. Note that it is not currently compatible with the SodaStream E-TERRA.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long does a cylinder last?\u003c\/strong\u003e At about one litre of sparkling water a day, most households get six to eight weeks from one cylinder.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I return my empty cylinder?\u003c\/strong\u003e One-time buyers can return all their empties at once using one free return label and receive credit towards a new order. Subscribers get a reminder 10 days before renewal and 15 days to arrange collection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShould I keep a spare cylinder?\u003c\/strong\u003e It's a good idea. With a spare on hand, you can swap the moment one runs out and never go without fizz.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"GAS4U","offers":[{"title":"SodaStream \/ 4","offer_id":55696835412233,"sku":"4-PACK-SS-QC","price":115.99,"currency_code":"EUR","in_stock":true},{"title":"SodaStream \/ 2","offer_id":55696835379465,"sku":"2-PACK-SS-QC","price":57.99,"currency_code":"EUR","in_stock":true},{"title":"SodaStream \/ 1","offer_id":55696835346697,"sku":"1-PACK-SS-QC","price":27.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0865\/5739\/3161\/files\/2x_1132120440.png?v=1752507733"},{"product_id":"gas4u-screw-in-gas4u-co2-gas-cylinder-refill-425g","title":"GAS4U CO₂ Cylinder Refill 425g (Screw-In)","description":"\u003cp data-lfile-container=\"d4367431-ba30-48e4-a1df-5cfb5a7b7309\" data-pm-slice=\"1 1 []\"\u003eEnjoy fresh sparkling water whenever you want with the Gas4U 425g Screw-In CO₂ Cylinder. It twists straight into most screw-in sparkling water makers and makes up to 60 litres of sparkling water, replacing over 120 single-use plastic bottles.\u003c\/p\u003e\n\u003cp\u003eAs our own Gas4U cylinder, it gives you the same food-grade CO₂ as branded refills for less. Add fast delivery across Ireland and easy empty returns, and you'll never be caught without fizz.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 id=\"why-choose-the-gas4u-screw-in-425g-co₂-cylinder\"\u003eWhy Choose the Gas4U Screw-In 425g CO₂ Cylinder?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eFits Most Screw-In Machines\u003c\/strong\u003e The Gas4U Screw-In cylinder suits a wide range of sparkling water makers that use the traditional screw-in connection. It fits straight in, with no adapters needed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMakes Up to 60 Litres of Sparkling Water\u003c\/strong\u003e Each 425g cylinder carbonates up to 60 litres of water, roughly:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e60 x 1-litre bottles\u003c\/li\u003e\n\u003cli\u003e120 x 500ml bottles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHow far it goes depends on your fizz level. Lightly sparkling water stretches a cylinder further; extra fizz uses more CO₂.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBetter Value Than Branded Refills\u003c\/strong\u003e You get the same 425g of food-grade CO₂ at a lower price than branded cylinders. Subscribe and save up to 50%, with free shipping included.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA Healthy Way to Stay Hydrated\u003c\/strong\u003e Plain sparkling water has zero calories, no artificial sweeteners and no preservatives. Enjoy it straight or add your favourite flavour.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLess Plastic, Fewer Shopping Trips\u003c\/strong\u003e Every cylinder replaces over 120 single-use plastic bottles. No more hauling heavy multipacks home from the supermarket.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDelivered to Your Door Anywhere in Ireland\u003c\/strong\u003e We deliver fresh cylinders nationwide, so your machine is always ready to go.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEasy Cylinder Returns\u003c\/strong\u003e One-time customers can return all their empties in one go with a free return label and get credit towards their next order. Subscribers get a reminder before each renewal and we collect the empties for you.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 id=\"faqs-3\"\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich machines does this cylinder fit?\u003c\/strong\u003e It fits sparkling water makers with a traditional screw-in CO₂ connection. It does not fit Quick Connect machines such as the SodaStream TERRA, ART or DUO. If you're unsure, use the Gas4U Compatibility Checker before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I fit a screw-in cylinder?\u003c\/strong\u003e Remove the cap, insert the cylinder into your machine and screw it in clockwise until hand-tight. Don't use tools or overtighten.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much sparkling water does one cylinder make?\u003c\/strong\u003e Up to 60 litres, depending on how fizzy you like your water.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the CO₂ food grade?\u003c\/strong\u003e Yes. Every Gas4U cylinder is filled with food-grade carbon dioxide, suitable for drinking water and homemade sparkling drinks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is this different from a SodaStream Screw-In cylinder?\u003c\/strong\u003e Both hold 425g of food-grade CO₂ and make up to 60 litres. The Gas4U cylinder is our own brand and costs less.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long will one cylinder last?\u003c\/strong\u003e If you drink about one litre of sparkling water a day, expect six to eight weeks, depending on your fizz level.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat do I do with my empty cylinder?\u003c\/strong\u003e Return it through the Gas4U returns process. One-time buyers receive credit towards their next order. Subscribers schedule a collection within 15 days of renewal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I keep a spare?\u003c\/strong\u003e Yes. Many customers keep a second cylinder so they can swap straight away when one runs out.\u003c\/p\u003e","brand":"GAS4U","offers":[{"title":"GAS4U \/ 4","offer_id":56254127210761,"sku":"4-PACK-G4U-SCREW","price":111.99,"currency_code":"EUR","in_stock":true},{"title":"GAS4U \/ 2","offer_id":56254127243529,"sku":"2-PACK-G4U-SCREW","price":55.99,"currency_code":"EUR","in_stock":true},{"title":"GAS4U \/ 1","offer_id":56254127276297,"sku":"1-PACK-G4U-SCREW","price":27.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0865\/5739\/3161\/files\/2_3fd747ac-42d0-418e-8913-fbb5345a5b71.png?v=1759504813"},{"product_id":"gas4u-quick-connect-gas4u-co2-cylinder-425g","title":"GAS4U CO₂ Cylinder 425g (Quick Connect)","description":"\u003cp data-lfile-container=\"d4367431-ba30-48e4-a1df-5cfb5a7b7309\" data-pm-slice=\"1 1 []\"\u003e\u003cstrong\u003ePlease note: this cylinder is not compatible with the SodaStream E-TERRA machine. We're working to resolve this.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eGet fresh sparkling water in seconds with the Gas4U 425g Quick Connect CO₂ Cylinder. Built for sparkling water makers that use the Quick Connect system, it clicks into place with no twisting or screwing. Each food-grade cylinder makes up to 60 litres of sparkling water, replacing over 120 single-use plastic bottles.\u003c\/p\u003e\n\u003cp\u003eIt's our own Gas4U cylinder, so you get the same fizz for less. Pair it with fast delivery across Ireland and simple empty returns, and keeping your machine topped up has never been easier.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 id=\"why-choose-the-gas4u-quick-connect-425g-co₂-cylinder\"\u003eWhy Choose the Gas4U Quick Connect 425g CO₂ Cylinder?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSimple Click-In Installation\u003c\/strong\u003e The Quick Connect design slots straight into compatible machines. No fiddling, no twisting, no screwing. Just slot it in, lock it down and start fizzing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMakes Up to 60 Litres of Sparkling Water\u003c\/strong\u003e Each 425g cylinder carbonates up to 60 litres of water, roughly:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e60 x 1-litre bottles\u003c\/li\u003e\n\u003cli\u003e120 x 500ml bottles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHow far it goes depends on how fizzy you like it. Lightly sparkling water stretches a cylinder further; extra fizz uses more CO₂.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBetter Value Than Branded Refills\u003c\/strong\u003e The Gas4U Quick Connect cylinder gives you the same 425g of food-grade CO₂ at a lower price than branded alternatives. Subscribe and you can save up to 50%, with free shipping included.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA Healthy Way to Stay Hydrated\u003c\/strong\u003e Plain sparkling water has zero calories, no artificial sweeteners and no preservatives. Add a dash of flavour or enjoy it straight.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDelivered to Your Door Anywhere in Ireland\u003c\/strong\u003e Skip the trip to the shops. We deliver fresh cylinders nationwide, so your machine is always ready to go.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEasy Cylinder Returns\u003c\/strong\u003e One-time customers can return their empties in one go with a free return label and get credit towards their next order. Subscribers get a reminder before each renewal and we collect the empties for you.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 id=\"faqs\" data-lfile-container=\"d4367431-ba30-48e4-a1df-5cfb5a7b7309\" data-pm-slice=\"1 1 []\"\u003eFAQs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhich machines does this cylinder fit?\u003c\/strong\u003e It fits sparkling water makers that use the Quick Connect (click-in) system. It is not currently compatible with the SodaStream E-TERRA. If your machine uses a screw-in cylinder, choose our Screw-In 425g cylinder instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I tell if my machine uses Quick Connect or Screw-In?\u003c\/strong\u003e Quick Connect cylinders slot in and lock with a lever. Screw-in cylinders twist into the top of the machine. If you're unsure, use the Gas4U Compatibility Checker or contact our team before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much sparkling water does one cylinder make?\u003c\/strong\u003e Up to 60 litres, depending on your preferred level of fizz.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the CO₂ food grade?\u003c\/strong\u003e Yes. Every Gas4U cylinder is filled with food-grade carbon dioxide, safe for carbonating drinking water and homemade soft drinks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is this different from a SodaStream Quick Connect cylinder?\u003c\/strong\u003e Both hold 425g of food-grade CO₂ and make up to 60 litres. The Gas4U cylinder is our own brand and costs less.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long will one cylinder last?\u003c\/strong\u003e If you drink about one litre of sparkling water a day, expect six to eight weeks, depending on how fizzy you like it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat do I do with my empty cylinder?\u003c\/strong\u003e Return it through the Gas4U returns process. One-time buyers receive credit towards their next order. Subscribers simply schedule a collection within 15 days of renewal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I keep a spare?\u003c\/strong\u003e Yes. Many customers keep a second cylinder so they can swap straight away when one runs out.\u003c\/p\u003e","brand":"GAS4U","offers":[{"title":"GAS4U \/ 4","offer_id":57358164689161,"sku":"4-PACK-G4U-QC","price":111.99,"currency_code":"EUR","in_stock":true},{"title":"GAS4U \/ 2","offer_id":57358164721929,"sku":"2-PACK-G4U-QC","price":55.99,"currency_code":"EUR","in_stock":true},{"title":"GAS4U \/ 1","offer_id":57358164754697,"sku":"1-PACK-G4U-QC","price":27.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0865\/5739\/3161\/files\/2_f0486fca-62f9-467f-9915-fae766169da5.png?v=1790336517"}],"url":"https:\/\/gas4u.ie\/collections\/co2-refill-cylinders.oembed","provider":"GAS4U","version":"1.0","type":"link"}