Co2 Adapter(167)
12gram Carbon Dioxide CO2 Small Cylinder Quick Charge Adapter $15.40

12gram Carbon Dioxide CO2 Small Cylinder Quick Charge Adapter
12gram Carbon Dioxide CO2 Small Cylinder Quick Charge Adapter for Soda Water for M16*1.5 $14.95

12gram Carbon Dioxide CO2 Small Cylinder Quick Charge Adapter for Soda Water for M16*1.5
Spozer 60L CO2 Cylinders for Soda Makers, Pack of 2 From $55.99

Spozer 60L CO2 Cylinders for Soda Makers, Pack of 2
Restube 16g CO2 Replacement Cartridges, 6-Pack $24.99

Restube 16g CO2 Replacement Cartridges, 6-Pack
M Buder CO2 Filling Tank Cylinder Refill Adapter Connector Kit with Pressure Gauge for SodaStream (Black), Upgraded Metal 11 inches / 27.9 cm Professional Brewing Accessory Was $22.11

M Buder CO2 Filling Tank Cylinder Refill Adapter Connector Kit with Pressure Gauge for SodaStream (Black), Upgraded Metal 11 inches / 27.9 cm Professional Brewing Accessory
NFTIGB Soda Stream CO2 Cylinder Refill Station Adapter Valve Connector Set ASA 1/4BSPP-TR21-4 Filling Accessory Silver for Home Kitchen Drinkware Soda Maker Supplies $15.67

NFTIGB Soda Stream CO2 Cylinder Refill Station Adapter Valve Connector Set ASA 1/4BSPP-TR21-4 Filling Accessory Silver for Home Kitchen Drinkware Soda Maker Supplies
Soda Water Accessories CO2 Adapter Convertor Terra DUO ART Quick Connect Adapter TR21-4 thread CO2 cylinder Soda Water Machine $9.99

Soda Water Accessories CO2 Adapter Convertor Terra DUO ART Quick Connect Adapter TR21-4 thread CO2 cylinder Soda Water Machine
Soda Water CO2 Adapter for Terra, Art, and DUO Machines - TR21-4 Thread Connector - Purple $12.00

Soda Water CO2 Adapter for Terra, Art, and DUO Machines - TR21-4 Thread Connector - Purple
NISPIRA CO2 Conversion Adapter for sodastream Paintball Tank Canister $11.99

NISPIRA CO2 Conversion Adapter for sodastream Paintball Tank Canister
NFTIGB Split CO2 Quick Adapter with 2 Spare Sealing Rings TR21 4 Thread for Duo Terra Art E DUO Crystal 3.0 Gaia Soda Water Machine, Durable Brass Aluminum Alloy Adapter Accessory $11.28 Was $13.72

NFTIGB Split CO2 Quick Adapter with 2 Spare Sealing Rings TR21 4 Thread for Duo Terra Art E DUO Crystal 3.0 Gaia Soda Water Machine, Durable Brass Aluminum Alloy Adapter Accessory
60L Threaded Co2 Cartridges Cylinder 14.5oz CO2 Canister Sparkling Water Carbonates Compatible with Soda Streaming Maker Set of 3 $73.69

60L Threaded Co2 Cartridges Cylinder 14.5oz CO2 Canister Sparkling Water Carbonates Compatible with Soda Streaming Maker Set of 3
KFFKFF CO2 Container, 20 lbs Fresh Aluminum Alloy Chamber, CO2 Air Cylinder with Light Mist Covering, CGA320 Valve, Handle & Violet Copper Suction, DOT Certified Chamber for Draft Beer Serving $180.99

KFFKFF CO2 Container, 20 lbs Fresh Aluminum Alloy Chamber, CO2 Air Cylinder with Light Mist Covering, CGA320 Valve, Handle & Violet Copper Suction, DOT Certified Chamber for Draft Beer Serving
12gram Carbon Dioxide CO2 Small Cylinder Quick Charge Adapter for Soda Water for M16*1.5 $14.95

12gram Carbon Dioxide CO2 Small Cylinder Quick Charge Adapter for Soda Water for M16*1.5
OTVIAP G1/2 CO2 Cylinder Refill Adapter with Hose For Filling Tank, CO2 Refill Adapter Connector, Filling Tank Adapter

OTVIAP G1/2 CO2 Cylinder Refill Adapter with Hose For Filling Tank, CO2 Refill Adapter Connector, Filling Tank Adapter
12gram Carbon Dioxide CO2 Small Cylinder Quick Charge Adapter $15.40

12gram Carbon Dioxide CO2 Small Cylinder Quick Charge Adapter
M Buder Split CO2 Quick Adapter with 2 Spare Sealing Rings, TR21-4 Thread Adapter Compatible with Duo, Terra, Art, Crystal 3.0 Soda Water Machine, Durable Brass Aluminum Alloy, 10x7x4 Inches $11.96 Was $13.49

M Buder Split CO2 Quick Adapter with 2 Spare Sealing Rings, TR21-4 Thread Adapter Compatible with Duo, Terra, Art, Crystal 3.0 Soda Water Machine, Durable Brass Aluminum Alloy, 10x7x4 Inches
Homena CO2 Cylinder Adapter Converter T21-4 To W21.8-14 For SodaStream Aquarium Fish Or Homebrew Beer Corny Keg Co2 Tank Regulators $12.10

Homena CO2 Cylinder Adapter Converter T21-4 To W21.8-14 For SodaStream Aquarium Fish Or Homebrew Beer Corny Keg Co2 Tank Regulators
Soda Terra Machine Co2 Adapter Quick Connector Adapter Plastic Hose CGA320 for DUO/TERRA/ART/Crystal3.0/ $26.08

Soda Terra Machine Co2 Adapter Quick Connector Adapter Plastic Hose CGA320 for DUO/TERRA/ART/Crystal3.0/
Yajisi CO2 Cylinder Refill Adapter Connector Regulator Accessory for SodaStream 0-3000psi $17.09

Yajisi CO2 Cylinder Refill Adapter Connector Regulator Accessory for SodaStream 0-3000psi
60L Threaded Co2 Cartridges Cylinder 14.5oz CO2 Canister Sparkling Water Carbonates Compatible with Soda Streaming Maker Set of 2 $49.69

60L Threaded Co2 Cartridges Cylinder 14.5oz CO2 Canister Sparkling Water Carbonates Compatible with Soda Streaming Maker Set of 2
Simpli Soda 60L CO2 Quick Connect Cylinder - Compatible with Sodastream Quick Connect Only [Including ART, TERRA ENSO & DUO] - Soda Streaming Machine CO2 Tanks Gas Refill, | 14.5 oz, 1 Pack From $29.97
![Simpli Soda 60L CO2 Quick Connect Cylinder - Compatible with Sodastream Quick Connect Only [Including ART, TERRA ENSO & DUO] - Soda Streaming Machine CO2 Tanks Gas Refill, | 14.5 oz, 1 Pack](https://i5.walmartimages.com/seo/Simpli-Soda-60L-CO2-Quick-Connect-Cylinder-Compatible-Sodastream-Quick-Connect-Including-ART-TERRA-ENSO-DUO-Soda-Streaming-Machine-CO2-Tanks-Gas-Refi_5e1369a6-aa68-41e0-9a25-d060db11c683.d658b9c875cbd1134ff0a7b89b095230.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
Simpli Soda 60L CO2 Quick Connect Cylinder - Compatible with Sodastream Quick Connect Only [Including ART, TERRA ENSO & DUO] - Soda Streaming Machine CO2 Tanks Gas Refill, | 14.5 oz, 1 Pack
Riousery CO2 Cylinder Adapter for SodaStream, Heavy Duty Brass Soda Maker Connector TR21-4 Male Thread to G1/2 Type30 Female Thread Fitting Kit (1.7 Inches / 43.4 mm) $17.87

Riousery CO2 Cylinder Adapter for SodaStream, Heavy Duty Brass Soda Maker Connector TR21-4 Male Thread to G1/2 Type30 Female Thread Fitting Kit (1.7 Inches / 43.4 mm)
88g CO2 Capsules CO2 Saver Adapter Removable Fit For Umarex AirJavelin ,Fusion 2 $18.99

88g CO2 Capsules CO2 Saver Adapter Removable Fit For Umarex AirJavelin ,Fusion 2
Yajisi G1/2-14 CO2 Refill Adapter Connector, Black Soda ASA Release Valve with 8mm Female Quick Plug for SodaStream Cylinders $23.01

Yajisi G1/2-14 CO2 Refill Adapter Connector, Black Soda ASA Release Valve with 8mm Female Quick Plug for SodaStream Cylinders
New, 1/8 Inch BSPP Female Thread Fitting, 304 Stainless Steel Straight Coupler Adapter for CO2 Cylinder Inflatable Refill Attachment, Quick Connect Pneumatic Soda Maker Pipe Fitting (1.1 in / 27 mm) $13.18

1/8 Inch BSPP Female Thread Fitting, 304 Stainless Steel Straight Coupler Adapter for CO2 Cylinder Inflatable Refill Attachment, Quick Connect Pneumatic Soda Maker Pipe Fitting (1.1 in / 27 mm)
Riousery W21.8 Soda Carbonator Refill Adapter Professional High Accuracy CO2 Refill Adapter with Pressure Gauge and Deflating Function for Quick Charging Systems (10 inches / 25.4 cm) $30.02

Riousery W21.8 Soda Carbonator Refill Adapter Professional High Accuracy CO2 Refill Adapter with Pressure Gauge and Deflating Function for Quick Charging Systems (10 inches / 25.4 cm)
Terra DUO Art To CO2 Tank Cylinder Adapter Kit Soda Water Maker Accessories with Quick Disconnect Connector CGA320 $25.99

Terra DUO Art To CO2 Tank Cylinder Adapter Kit Soda Water Maker Accessories with Quick Disconnect Connector CGA320
CO2 Refill Adapters,Sodas Carbonators Refill Adapters Adapters for Art Sodas Cylinders Adapters

CO2 Refill Adapters,Sodas Carbonators Refill Adapters Adapters for Art Sodas Cylinders Adapters
CO2 Quick Adapter Soda Exchange Carbonator with Pressure Gauge for Soda Machine Soda Co2 Cylinder Adaptor Connect $37.81

CO2 Quick Adapter Soda Exchange Carbonator with Pressure Gauge for Soda Machine Soda Co2 Cylinder Adaptor Connect
KFFKFF 2.5 lbs Aluminum CO2 Cylinder, Durable Tank with CGA320 Valve, Adjustable Pressure, Light Gray Coating, DOT Certified for Beverage Dispensing and Soda Systems $58.99

KFFKFF 2.5 lbs Aluminum CO2 Cylinder, Durable Tank with CGA320 Valve, Adjustable Pressure, Light Gray Coating, DOT Certified for Beverage Dispensing and Soda Systems
CO2 Cylinder Refill Adapter Connector Kit Home Soda Maker Tank Filling Tool 4.33 In / 11 cm Black $19.05

CO2 Cylinder Refill Adapter Connector Kit Home Soda Maker Tank Filling Tool 4.33 In / 11 cm Black
Suodoka Premium CO2 Cylinder Refill Adapter Brass Soda Bottle Cylinder CO2 Fill Valve Connector TR21-4 to CGA320 for Home Soda Maker Kits (8.00 x 8.00 x 5.00 Inches / 20.3 x 20.3 x 12.7 cm) $18.01

Suodoka Premium CO2 Cylinder Refill Adapter Brass Soda Bottle Cylinder CO2 Fill Valve Connector TR21-4 to CGA320 for Home Soda Maker Kits (8.00 x 8.00 x 5.00 Inches / 20.3 x 20.3 x 12.7 cm)
Suodoka Soda Refill Adapter CO2 Cylinder Cartridge Fill Tank Connector with 60in Hose CGA320 High Pressure Hose

Suodoka Soda Refill Adapter CO2 Cylinder Cartridge Fill Tank Connector with 60in Hose CGA320 High Pressure Hose
CO2 Cylinder Refill Adapter Hose Connector Soda Maker Kit with Pressure Gauge 4.33 In / 11 cm Black $20.99

CO2 Cylinder Refill Adapter Hose Connector Soda Maker Kit with Pressure Gauge 4.33 In / 11 cm Black
Clearance, IFANLANDOR Cylinder Direct Adapter CO2 Tank Connector Golden 1Pack $16.42 Was $21.33

IFANLANDOR Cylinder Direct Adapter CO2 Tank Connector Golden 1Pack
Reduced price, Zxpjkyu CO2 Cylinder Adapter for Sparkling Water Maker Compact Aluminum Body Lightweight $8.99 Was $14.99

Zxpjkyu CO2 Cylinder Adapter for Sparkling Water Maker Compact Aluminum Body Lightweight
Co2 Bottle Adapter with Quick Carbonating for SodaStream (Purple) $23.98

Co2 Bottle Adapter with Quick Carbonating for SodaStream (Purple)
Soda Machine Filling To External CO2 Tank Fill Adapter Kit CGA320 with Quick Disconnect Connector $24.99

Soda Machine Filling To External CO2 Tank Fill Adapter Kit CGA320 with Quick Disconnect Connector
New, Soda Terra Machine Co2 Adapter Quick Connector Adapter Plastic Hose CGA320 for DUO/TERRA/ART/Crystal3.0/ $30.99

Soda Terra Machine Co2 Adapter Quick Connector Adapter Plastic Hose CGA320 for DUO/TERRA/ART/Crystal3.0/
OTVIAP Tank On/Off Refill Adapter,1/8NPT CO2 Carbonator Cylinder Tank On/Off Refill Adapter for TR21*4,CO2 Refill Adapter $12.36

OTVIAP Tank On/Off Refill Adapter,1/8NPT CO2 Carbonator Cylinder Tank On/Off Refill Adapter for TR21*4,CO2 Refill Adapter
Co2 Adapter with Stainless Steel Hose, Gauge, and Exhaust Valve for Soda Makers $93.82

Co2 Adapter with Stainless Steel Hose, Gauge, and Exhaust Valve for Soda Makers
Soda CO2 Adapter Bottle Refill Connector Brass Construction with Release Valve for Home Soda Machine Use

Soda CO2 Adapter Bottle Refill Connector Brass Construction with Release Valve for Home Soda Machine Use
Co2 Quick Adapter for Soda Water Machine for DUO/ART/,Co2 Tanks Adapter for Soda Bottle with TR21-4 Thread $16.76

Co2 Quick Adapter for Soda Water Machine for DUO/ART/,Co2 Tanks Adapter for Soda Bottle with TR21-4 Thread
WEUVEB Golden Soda Machine Inflatable Valve Co2 Tank Adapter Connector for Sparkling Water $15.69

WEUVEB Golden Soda Machine Inflatable Valve Co2 Tank Adapter Connector for Sparkling Water
Mini CO2 Gas Regulator with 0-45 PSI Pressure Gauge, 3/8in Cartridge Adapter and 5/16in Barb Output for Soda Container Draft Beer Keg Homebrewing Beverage Dispensing, Compact 3.4 in / 8.5 cm Size $27.50

Mini CO2 Gas Regulator with 0-45 PSI Pressure Gauge, 3/8in Cartridge Adapter and 5/16in Barb Output for Soda Container Draft Beer Keg Homebrewing Beverage Dispensing, Compact 3.4 in / 8.5 cm Size
Soda Machine Co2 Adapter Co2 Refill Quick Connect Adapter with CGA320 Connector Soda Machine Connecting Hose for 5/20/50lb Commercial Tanks $29.99

Soda Machine Co2 Adapter Co2 Refill Quick Connect Adapter with CGA320 Connector Soda Machine Connecting Hose for 5/20/50lb Commercial Tanks
Soda Water CO2 Cylinder Tank (TR21-4 Thread Type) Refill Fill Station Adaptor With Hose Gauge Kit CGA320 Connector $25.99

Soda Water CO2 Cylinder Tank (TR21-4 Thread Type) Refill Fill Station Adaptor With Hose Gauge Kit CGA320 Connector
Other options to consider(46)
FAQ
What does a CO2 adapter do?
A CO2 adapter lets you connect a CO2 cylinder to devices like soda makers, beverage dispensers, or other carbonation systems. Its main job is to bridge different thread types or fittings so you can safely transfer CO2 for making sparkling water or other drinks.
- Adapters help ensure a secure, leak-resistant connection.
- They can also make refilling easier if you use larger tanks or different brands.
- Always check compatibility with your device and cylinder before use.
How do you use a CO2 adapter?
To use a CO2 adapter, start by making sure your adapter matches the thread type of your CO2 cylinder and your soda maker or carbonation device.
- Attach the adapter securely to the cylinder.
- Connect the other end to your soda maker or refill station.
- Check for tightness and leaks before turning on the gas.
Can I use a nitrogen regulator for CO2?
While nitrogen regulators and CO2 regulators may look similar, they're designed for different gases and pressures. Using a nitrogen regulator for CO2 isn't recommended because the fittings, seals, and pressure ratings may not match.
- Always use a regulator specifically made for CO2.
- This helps ensure safe operation and prevents leaks or equipment damage.
What is a SodaStream adapter for CO2?
A SodaStream adapter for CO2 is a connector that lets you use standard CO2 cylinders with SodaStream machines or similar soda makers.
- It bridges the gap between different thread types, like TR21-4 or CGA320.
- This can make refilling easier and more cost-effective.
- Adapters are available for various models, so check your machine's compatibility before buying.
How do I pick the right CO2 adapter?
Choosing the right CO2 adapter depends on your soda maker and the type of CO2 cylinder you have.
- Check the thread type on both your cylinder and your device (like TR21-4, CGA320, or G1/2).
- Look for adapters that match these specifications.
- Consider features like pressure gauges or quick-connect options for added convenience.
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