Updated: 23 Jul 2026

10 Best sodastream gas cylinder adaptors of 2026

Updated: 23 Jul 2026

#1

Best Choice

M18x1.5 To CGA320 Cylinder Tank Refill Adapter For Soda Stream Art Gas Filling Station Connector Brass 8mm Male Thread High Pressure 2000psi Replacement Part

9.9

Generic

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Main highlights

M18x1.5 Female to 8mm Male Thread Conversion: Seamlessly bridges M18x1.5 threaded tanks to 8mm male fittings, enabling quick and repeatable replacement of da Stream Series and da Maker cylinder connections.

CGA320 Cylinder Refill Compatibility: Designed specifically for CGA320 gas cylinder connections, this adapter insures secure and reliable refilling for , nitrogen, and other compatible gases in , , and beverage carbonation systems.

Brass Construction with Resistance: Precision-machined from solid brass for durability and rust resistance, offering consistent performance even in humid or demanding environments.
#2

Best Value

FOR SODASTREAM Adapter Black CGA320 W21 8 Quick Connect For Gas Cylinder ASA(A)

9.8

HanOaki

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Main highlights

Ultra-Lightweight Portability: Weighs just 121 grams-perfect for technicians, welders, and responders who need quick cylinder swaps .

Robust Construction: Precision-molded black plastic housing resists and , supporting reliable operation in workshop, , or field environments.

CGA320 W21.8 Compatibility: Directly converts TR21-4 threaded cylinders to CGA320 and W21.8 14 male connections for seamless integration with standard oxygen, nitrogen, and regulators.
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#3

Refill Adapters for CO2 SodaStream Thread to W21.8 Australia & New Zealand CGA320 Cylinders with Inside Pin

9.7

UP100

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Main highlights

Robust design and manufacture - will last a lifetime.Easy installation. Material: Brass.

Innter thread:CGA320 Outer thread: W21.8

Adapter For CO2 Regulators provides the perfect solution for Soda Stream cylinders
#4

HanOaki for SodaStream Refill Adapter, TR21-4 to CGA320 Brass CO-2 Cylinder Fill Station for Home Use, Transfer Gas from Large UK CGA320 for SodaStream Cylinder

9.5

HanOaki

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Main highlights

[Easy-Home Refilling] Screw adapter to commercial tank, attach empty cylinder, open main valve for about 15–20 seconds, close, open bleed screw to vent, remove—simple DIY refill; use in a ventilated area with basic protective gear.

[Compatibility] TR21-4 female to CGA320 male adapter; fits threaded-SodaStream 60L cylinders; connects to CGA-320 bulk CO-2 tanks common in US/Canada/Brazil/Colombia/Philippines; not compatible with EU W21.8 DIN 477 / BS341 No.8 valves or for SodaStream Quick Connect pink cylinders (for Terra for-Duo Art E-Duo).

[Brass Material] Solid brass construction offers-corrosion resistance and long service life; gold finish; designed for repeated home refills.
#5

Minflora Gas Cylinder Adapter for SodaStream 0.6L, TR21-4 Metal Connector for Soda Maker, Secure Carbonation Cylinder Fitting(Silver)

9.4

Minflora

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Main highlights

TR21-4 Trapezoidal Thread Design: insures a secure, leak-resistant connection with FOR soda makers for consistent carbonation performance.

Multi-Model FOR Machine Support: Fits a range of FOR stream-compatible machines, offering dependable functionality different device generations.

0.6L Cylinder Compatibility: Specifically engineered for standard 0.6L carbon dioxide cylinders-perfect for home carbonation enthusiasts and light-to-moderate use.
#6

Minflora Gas Cylinder Adapter for SodaStream 0.6L, TR21-4 Metal Connector for Soda Maker, Secure Carbonation Cylinder Fitting(Golden)

9.3

Minflora

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Main highlights

TR21-4 Trapezoidal Thread Design: insures a secure, leak-resistant connection with FOR soda makers for consistent carbonation performance.

Multi-Model FOR Machine Support: Fits a range of FOR stream-compatible machines, offering dependable functionality different device generations.

0.6L Cylinder Compatibility: Specifically engineered for standard 0.6L carbon dioxide cylinders-perfect for home carbonation enthusiasts and light-to-moderate use.
#7

TR21 Thread Gas Adapter for 0.6L Cylinders Compatible with For soda Stream and Other For soda Makers Metal Housing (Golden)

9.2

Minflora

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Main highlights

TR21-4 Thread Design: insures a secure, leak-resistant connection with FOR carbonation machines for consistent delivery.

Multi-Model Compatibility: Fits a wide range of FOR stream and maker models, supporting flexible use different machine generations.

0.6L Cylinder Compatibility: Specifically engineered for standard 0.6L carbon dioxide cylinders used in home carbonation systems.
#8

Gas Cylinder Conversion Adapter for SODASTREAM Devices TR21-4 to CGA320 W21.8-14 Thread Standard Ensures Consistent Delivery Setup Black(A)

9.1

YobiLife

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Main highlights

Ultra-Lightweight 121g Design: Compact and portable fits easily in tool belts gear bags or storage compartments perfect for technicians and DIY users.

Robust Plastic Construction: Precision-molded black plastic housing withstands repeated use in workshop field and industrial environments without deformation.

CGA320 W21.8 to TR21-4 Conversion: Seamlessly converts TR21-4 cylinder valves to CGA320 and W21.8-14 thread standards for broad compatibility with gas systems.
#9

Fleymu CO2 Cylinder Adapter, CO2 Filling Container TR21.4 to W21.8 Cylinder Pressure Reducer Connection Kit for CO2 Adapter Sodastream, CO2 Carbon Dioxide Tank Accessories and Self-Made Beer Barrel

9.0

Fleymu

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Main highlights

Practical adapter purpose: the adapter is used to inject carbon dioxide into the tank. This gas bottle refill adapter is equipped with a drain valve. After completing the refill process, the residual gas in the adapter can be safely released. It is the ideal accessory to connect a CO2 cylinder adapter to your existing Aquarium Fish CO2 tank regulator or Homebrew beer barrel mini controller

High-quality material: CO2 cylinder adapter is the refill adapter made of high-quality metal material has the greatest durability - it can be used for a long time. Exquisite products - precise design, corrosion protection and abrasion resistance, not easy to damage

Easy to use: small and lightweight, easy to carry and store, convenient to use. You can convert the CO2 -water filling adapter yourself. This is not recommended for carbonation, but is ideal for dispensing. (Note: To avoid leaks at the joint, it is recommended to use a gasket).
#10

Adapter for Sodastream Crystal Glass to Plastic Bottle Black

8.8

BODYA

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Main highlights

With this adapter, you can easily use crystal glass bottles in the soda machine.

Suitable for Sodastream Crystal 0.7L glass bottles.

Black adapter for Sodastream crystal glass to plastic bottle.

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10 Best sodastream gas cylinder adaptors of 2026

M18x1.5 To CGA320 Cylinder Tank Refill Adapter For Soda Stream Art Gas Filling Station Connector Brass 8mm Male Thread High Pressure 2000psi Replacement Part

9.9

Main highlights

FOR SODASTREAM Adapter Black CGA320 W21 8 Quick Connect For Gas Cylinder ASA(A)

9.8

Main highlights

Refill Adapters for CO2 SodaStream Thread to W21.8 Australia & New Zealand CGA320 Cylinders with Inside Pin

9.7

Main highlights

HanOaki for SodaStream Refill Adapter, TR21-4 to CGA320 Brass CO-2 Cylinder Fill Station for Home Use, Transfer Gas from Large UK CGA320 for SodaStream Cylinder

9.5

Main highlights

Minflora Gas Cylinder Adapter for SodaStream 0.6L, TR21-4 Metal Connector for Soda Maker, Secure Carbonation Cylinder Fitting(Silver)

9.4

Main highlights

Minflora Gas Cylinder Adapter for SodaStream 0.6L, TR21-4 Metal Connector for Soda Maker, Secure Carbonation Cylinder Fitting(Golden)

9.3

Main highlights

TR21 Thread Gas Adapter for 0.6L Cylinders Compatible with For soda Stream and Other For soda Makers Metal Housing (Golden)

9.2

Main highlights

Gas Cylinder Conversion Adapter for SODASTREAM Devices TR21-4 to CGA320 W21.8-14 Thread Standard Ensures Consistent Delivery Setup Black(A)

9.1

Main highlights

Fleymu CO2 Cylinder Adapter, CO2 Filling Container TR21.4 to W21.8 Cylinder Pressure Reducer Connection Kit for CO2 Adapter Sodastream, CO2 Carbon Dioxide Tank Accessories and Self-Made Beer Barrel

9.0

Main highlights

Adapter for Sodastream Crystal Glass to Plastic Bottle Black

8.8

Main highlights

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