Features: 1Perfect 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. 2Brass 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. 3Applicable 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. 4Simple 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. 5Applicable 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