10 PCS Check Valve, Non Return Wear Resistant One Way Check Valve Plastic Inline Aquarium Air Pump Check Valve with Micro Diaphragm for Fuel, Gas, Liquid, Air, Chemical Industry(5mm Transparent)
Specification:
Item Type: Check Valve
Material: PP
Function: Connect hose to prevent backflow of gas or liquid
Scope of Application: Fish , food and beverage, equipment, chemical industry