Check Valve Water Stop Valve 3mm PP Plastic Single Way Diaphragm Resistant

STANDARD SIZE: These check valves are available in sizes and are a replacement for old or damaged check valves. PP plastic: made of PP plastic material, with resistance to high temperature and corrosion, not easy to damage. PERFORMANCE: The check valve has sufficient capacity and rigidity to meet the actual usage requirements in the appropriate range. to connect: The check valve can be connected to the appropriate hose to prevent the backflow of gas or liquid, and it is not easy to leak. IN 1 SET: Including check valves, used in home aquariums, medical equipment, chemical and food factories, etc.