One Way Check Valve, 10Pcs Anti Backflow Check Valve One Way PP Plastic Non Return Diaphragm Barb for Air Intake Feed Hose Pipe Submersible Pumps(4mm blue)
STRONG STABILITY: Good thermal performance, strong chemical stability, odorless, you can use with confidence
SUFFICIENT STIFFNESS: Come with sufficient pressure bearing capacity and stiffness to meet actual use requirements within appropriate range
WEAR RESISTANT PP MATERIAL: Made of good quality PP material
WIDE RANGE OF USE: Check valve can be used in fish , food and beverage, equipment, very practical
CONVENIENT REPLACEMENT: This one way check valve facilitates replacement of damaged check valves, connecting hoses to prevent backflow of gas or liquid