Durable Construction: Features a full copper body with nickel-plated surface for sturdiness and durability, effectively preventing backflow. Paired with a plastic check valve as a secondary barrier, ensuring safe and stable system operation.
High Pressure Resistance :The metal check valve withstands high pressure in aquarium CO2 systems, offers extended service life and reduces maintenance needs.
Fits 1/4-inch air tubing; metal check valve also compatible with stainless steel diffusers. Push-to-connect design for quick installation.
Metal check valve working pressure: 7.25 - 145 psi.
1 metal check valve and 2 plastic check valves, compatible with both CO2 and air systems.
