Homebrew Cylinder Adapter Connector Female Thread TR21-4 To Male Thread W21.8-14 for Sodastream

Feature: 1. Female thread TR21-4 to male thread W21.8-14 cylinder adapter for Sodastream. 2. Made of high quality aluminum, it has high hardness, is not easy to damage, durable and has a long service life. 3. Adapter converter for SodaStream cylinder to W21.8-14 aquarium CO2 regulator. 4. This is perfect unit that attach for sodastream cylinder to your existing aquarium fish CO2 tank regulator or homebrew beer barrel regulator. 5. Great for events, so you do not have to take around a bigger tank because of the small size of CO2 tanks, this one is not recommended for carbonation. Specification: Condition: 100percent Brand New Item Type: Soda Connector Material: Aluminum Color: Silver Thread: Female Thread TR21-4, Male Thread W21.8-14 Length: Approx. 3.6 cm / 1.4 in Weight: Approx. 32g / 1.1oz. Package List: 1 x Connector1 x Gasket Note: 1. Please allow 1-3 cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3. Please note that it can not work on AU and NZ for sodastream bottle.4. Only the adapter for SodaStream, other products are not included.