COST SAVING: Soda machine adapter connect the large CO2 cylinder and the soda machine to replace the expensive small cylinder, saving costs and eliminating the need to frequently replace the small cylinder. FOOD GRADE MATERIAL: The hose is made of TPU+fiber+nylon to ensure that the soda water produced has no odor, and can withstand a maximum working pressure of 3000psi, is sturdy and durable. ADDITIONAL RUBBER RINGS: We have three types of rubber rings installed at both ends of the hose and at the connection between the soda machine and the hose to effectively reduce the risk of leakage. FULLY FUNCTIONAL: The hose is equipped with a pressure gauge and a pressure relief valve. The pressure gauge provides the working pressure, and the pressure relief valve allows the residual CO2 gas to be discharged after use to avoid the residual CO2 gas affecting the taste during the next use. WIDELY APPLICATION: Applies to large CO2 tanks, such as 5lb, 20lb, or 50lb commercial CO2 tanks，suitable for the Art Gaia Terra Soda Machine，including the Soda fizzi, jet, one touch, aqua fizz blue bottle, source, genesis.

CALPOSE Soda Machine CO2 Adapter，Soda Machine CO2 Refill Quick Connect Adapter with Gauge and Bleed Valve，Soda Maker Part with CGA320 to TR21-4 Soda Machine Compatible for Fizze, One Touch, Jet