SodaStream Cylinder Adapter - W21.8 Male to TR21-4 Female

Want to run a SodaStream-style CO₂ cylinder with a standard Type 30 regulator? This EU-thread SodaStream Cylinder Adapter is the simple bridge that makes it happen.

It converts the cylinder connection from W21.8 male to TR21-4 female, making it ideal for portable draft setups, BBQ/picnic rigs, camping, or low-volume users who don’t feel like hauling a 2.6 kg / 6 kg cylinder around.

Note: This is the standard adapter (no pin-adjust thumb screw).
Regulator and gas cylinder not included.

Key Features

• Thread type: W21.8 male → TR21-4 female (EU thread)
• Lets you use a SodaStream-compatible cylinder with a Type 30 regulator
• Great for portable CO₂ setups (BBQ, picnic, camping, small kegs)
• Compact, practical solution for low-volume dispensing/carbonation

What’s Included

• 1 × SodaStream Cylinder Adapter (EU Thread) – W21.8 male to TR21-4 female
• Does not include regulator or CO₂ cylinder