5PCS Set Durable Proof Check Valve Stainless Steel 1 Way Check Valve CO2 Check Valve Aquarium

Label:Yes FOR O3 GENERATORS: When used for O3 generators, the air check valve avoid O3 from flowing back to the air pump and corroding the impeller. MAIN USE: The 1 way check valve avoid water from flowing back into the fish tank, reducing the water level and at the same time maintaining the functionality and lifespan of the CO2 cylinder. EASY TO INSTALL: The check valve is convenient to use, lightweight and portable, saving space, easy to install without the need for additional tools. FRIENDLY REMINDER: The valve can only be used based on the pressure of the CO2 cylinder, cannot be used with air pumps, generators, or homemade gas cylinders. STAINLESS STEEL MATERIAL: Made of premium stainless steel material, the valve is resistantance to breakage, erosion proof, easy to clean. The 1 way check valve is suitable for CO2 supply systems in fish tanks and aquariums.

Item Type: Stainless Steel 1 Way Check Valve Material: Stainless Steel Color:As Picture Shown Size:Length4.7cm(1.85in) Suitable for hoses with an inner diameter of 4cm(1.57in) Application: CO2 1 Way Check Valve for Aquarium Package List: 5 x Check Valve