Description
“—————– WELCOME TO OUR SHOP —————–” Packing List: 10 Pieces Aquarium Check Valves 【Protect Your Air Pump】This aquarium check valve can protect your air pump by preventing the backflow of water through the tubing during a power outage or pump pause. Essential accessories for the oxygen aerator. 【Only for Oxygen Pump】The size of the air pump check valves is 5×1.4cm/2×0.55in, and the diameter of the air holes is 0.16 in/4 mm, suitable for standard 3/16 inch airline hoses and a
