Create idea 2Pcs 50mm Water Check Valve Inner Pipe Flap Tube Connector Accessories for Backflow PVC Grey

The check valve are made of PVC material, durable and compact, it can prolong the product service life. Safe and nontoxic, perfect for water pipe fitting. Strong resistance to acid, alkali, salt corrosion ability, can be used for different types of liquid. Widely used in backflow of water supply pipe, backflow of water tank pump pipe and backflow of sewage. Package includes 2 pieces water check valve., Manufacturer: Create idea