Key features

• •Upgraded Quick CO2 Adapter: This CO2 quick adpater fit compatible with DUO/Terra/Art/GAIA soda sparkling water maker, specially designed for original 425 gram blue CO2 cylinders with TR21-4 Male valve that connect the soda machine. You can also use this soda adapter to connect old soda hose with TR21-4 Male Thread to new soda water maker.
• •Easy To Install: 2-in-1 design avoids the trouble of removing the base of the soda machine. One straight end of the quick adapter connects to the sparkling water maker, the other thread end of the TR21-4 connects to the CO2 cylinder. In just a few simple steps, your CO2 soda maker can be used with this quick adapter.
• •Upgrade Design: Upgraded threaded design, you can use the old blue Co2 bottles and the new pink CO2 bottles in the Soda machine. This co2 adapter only fit for stream 425 gram blue CO2 cylinders, not fit for other brands CO2 cylinders.
• •Reliable and Quality: The soda co2 adapter is made of reliable Material, with polished surface, good sealing
• •Convenient and Quick to Use: You can continue to use the large CO2 60L refill bottle and save by eliminating the need for more pink backup cans