Feature:1. Perfect Fit: It is an adapter that can connect the soda water machine and CO2 cylinder. Suitable for DUO for Terra for Art quick connect machines.2. Brass Material: The CO2 adapter is made of brass, which is anti corrosion, durable and safe. With polished exterior, the adapter is well sealed, anti oxidation and anti rust.3. Applicable Threads: You can also use this adapter to connect old soda hose with DIN477 or JIS m22 14 (European TR21 4 and W21.8 14) thread to new soda water maker.4. Simple Installation: In just a few simple steps, your CO2 soda maker can be used with this quick adapter. Please check the detailed installation steps on direction.5. Applicable Countries: The adapter can be appliied in South Korea, Japan, Britain, Germany, France, Poland, Norway, Switzerland, Russia, Ukraine, South Africa, Sweden, Chile, Czech Republic, Singapore.Specification:Item Type: CO2 AdapterMaterial: BrassWeight: Approx. 52g/1.83ozApplication: For DUO for Terra for ArtThread: DIN477 or JIS m22 14 (European TR21 4 and W21.8 14)Applicable Countries: South Korea, Japan, Britain, Germany, France, Poland, Norway, Switzerland, Russia, Ukraine, South Africa, Sweden, Chile, Czech Republic, Singapore..Package List:1 x CO2 Adapter1 x Direction1 x Gasket