Plastic White Aquarium Anti Explosion CO2 Check Valve Fish Tank Carbon Dioxide Non Return System

Feature: 1. Low resistance design, suitable for air motor and CO2 system. 2. Appearance streamline beautiful, combined design, can be removed and washed. 3. It has the function of air pipe lock to prevent the explosion of the pipe. 4. Built-in stainless steel spring, good non return effect. 5. Using method: Remove locking nut and insert the nut into the air pipe, confirm the inlet and outlet direction and insert the air tube, screw lock nut. Specification: Condition: 100percent Brand New Item Type: Aquarium Check Valve Material: Plastic Color: White Quantity: 1PCS Weight: Approx. 13g Length: Approx. 4.6cm/1.81inch. Package List: 1 x Aquarium Check Valve Note: Connect between the air head of the air pump or between the water plants meter and the CO2 refiner.