Features CONVENIENT REPLACEMENT: This one-way check valve makes it easy to replace damaged check valves and connects hoses to prevent gas or liquid backflow SUFFICIENT RIGIDITY: Equipped with sufficient pressure bearing capacity and rigidity to meet actual usage needs within a reasonable range WEAR-RESISTANT PP MATERIAL: Made of high-quality PP material, wear-resistant and durable, has good chemical resistance and good electrical insulator STRONG STABILITY: Good thermal performance, strong chemical stability, non-toxic and odorless, you can use it with confidence WIDE APPLICATIONS: The check valve can be used in aquarium, food and beverage, appliance and chemical industries, and it is very convenient Specification: Item Type: Check Valve Material: PP Function: connect hose to prevent backflow of gas or liquid Scope of application: aquarium, food and beverage, equipment, chemical industry Package list: 10 * Check Valve Package List 10 x Check Valve