5Pcs 1 Way Check Valve Stainless Steel CO2 Check Valve for Fish Tank Aquarium Zone Generators

Feature: 1. MAIN USE: The one way check valve prevents 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. 2. STAINLESS STEEL MATERIAL: Made of premium stainless steel material, the valve is resistant to breakage, rust proof, easy to clean. The one way check valve is suitable for CO2 supply systems in fish tanks and aquariums. 3. EASY TO INSTALL: The check valve is convenient to use, lightweight and portable, saving space, easy to install without the need for additional tools. 4. FOR O3 GENERATORS: When used for O3 generators, the air check valve prevents O3 from flowing back to the air pump and corroding the impeller. 5. 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. Specification: Item Type: Stainless Steel 1 Way Check Valve Material: Stainless Steel Application: CO2 1 Way Check Valve for Aquarium. Package List: 5 x Check Valve