Feature:1. CONVENIENT REPLACEMENT: This one way check valve facilitates replacement of damaged check valves, connecting hoses to prevent backflow of gas or liquid2. SUFFICIENT STIFFNESS: Come with sufficient pressure bearing capacity and stiffness to meet actual use requirements within appropriate range3. WEAR RESISTANT PP MATERIAL: Made of good quality PP material, wear resistant and durable, possess good chemical resistance and is good electrical insulator4. STRONG STABILITY: Good thermal performance, strong chemical stability, non toxic and odorless, you can use with confidence5. WIDE RANGE OF USE: Check valve can be used in fish tank, food and beverage, equipment, chemical industry, very practicalSpecification:Item Type: Check ValveMaterial: PPFunction: Connect hose to prevent backflow of gas or liquidScope of Application: Fish tank, food and beverage, equipment, chemical industry.Package List:10 x Check Valve