Usage Tips:Feature:1. Good Replacement: This one way check valve can be used to replace the broken check valve to prevent the backflow of gas or liquid2. PP Material: The one way stop valve is made of PP material, which has sufficient pressure bearing capacity and rigidity, wear resistant and durable3. Strong Chemical Stability: The check valve has good thermal performance, strong chemical stability, non toxic and odorless4. High Performance: The check valve has good ozone resistance, high temperature resistance and corrosion resistance5. Widely Application: The check valve is used for fish tank, aquarium, food and beverage, medicine equipment, chemical industrySpecification:Item Type: One Way Check ValveMaterial: PPFunction: Connect the hose to prevent the backflow of gas or liquidScope of Application: Fish tank, food and beverage, medicine equipment, chemical industry.Package List:10 xOne Way Check Valve