Features 1、Excellent Aluminum Alloy And Brass Material: This quick CO2 adapter is made of excellent aluminum alloy and brass material, which is erosion resistant, durable and safe, with polished surface, good sealing, oxidation resistant, and rust resistant. 2、Easy To Use: This quick CO2 adapter is plug and play, and quickly connects to the soda maker without complicated operation, it is very easy to use. 3、Good Compatibility: This quick CO2 adapter has good compatibility and is compatible with Soda for DUO, for erra, for Art machines. 4、Wide Application: This quick CO2 adapter can be used to quickly connect soda to external tank cylinder connections such as 5 lb, 20 lb or 50 lb commercial CO2 tanks. 5、Compact And Lightweight: This fast CO2 adapter is small and lightweight, and can be easily installed into the machine. Specification Item Type: Quick CO2 Adapter Material: Aluminum Alloy, Brass Application: for DUO, for TERRA, for Art Soda Maker Package List Remove the quick CO2 adapter, install it and use it.