ISTA Spring Check Valve

• Stainless spring check valve assures no water backflow.
• Suitable for CO2 system and air pump.
• Air tube fastening nodes prevent bursting problem.

How to use :

• Loose the air tube tightening node to give space in connecting the air tube.
• Connect air tube or CO2 tube correctly to the “air in” side and the “air out” side of the check valve.
• Fasten the air tube tightening node to firmly hold the air tube.