3X(CO2 Refill Adapter Connector Kit for Soda Maker CO2 Cylinder Thread6498
3X(Versatile Compatibility: This CO2 refill adapter is designed for use with standard large CGA320 CO2 tanks. It seamlessly connects to screw-in CO2 canister makers like for TERRA, for ART, for DUO, for, for E-TERRA, and for CRYSTAL 3.0. ).