1、Scope of Application: It is an adapter connecting soda machine and carbon dioxide cylinder. Suitable for DUO, for Terra, for Art. 2、Product Material: CO2 refill adapter is made of aluminum, rubber, ASA material, which is corrosion proof, durable and safe. 3、Good Features: CO2 adapter carbonator refill station has good sealing, oxidation resistance and rust prevention. 4、Simple Installation: Just a few simple steps, your carbon dioxide soda machine can use this quick adapter. 5、Good Workmanship: Exquisite workmanship, beautiful appearance, providing you great using experience. 1 x Connector 1 x Rubber Ring 1 x Manual Item Type: CO2 Adapter Carbonator Refill StationMaterial: Aluminum, Rubber, ASAColor: As Pictures ShownWeight: Approx. 95g / 3.4ozInterface: 8mm External Quick PlugApplication: for DUO, for Terra, for Art