5pcs Refrigerator Check Valve, Air Conditioner Conditioning Filling Valves One Way Traffic HS-110, Valve + Rubber Ring - ShopVlot

-Filling valves are used in various parts of freezing, refrigeration and air conditioning equipment. -The refrigerator check valve is size, easy to carry and store, convenient to use and with good performance. -With double seal to ensure no leakage, brass filling valve with sealing cap. -The knurled hood designed of the refrigerator check valve is approved for easy installation and disassembly. -Using high quality materials, strong and durable, has a long service life.