Features Replace Broken One: This is a one-way check valve, easy to replace broken check valve, easy to use High performance: The check valve has good ozone resistance, high temperature resistance and corrosion resistance Meet Requirements: With sufficient compressive strength and rigidity to meet actual usage requirements in the relevant area PE material: This check valve is made of high quality material, wear-resistant and durable, and has a long service life Strong Stability: The one-way valve has good thermal performance, high chemical stability, non-toxic and tasteless Specification: Item Type: Check Valve Material: PE Function: Connect the hose to prevent backflow of gas or liquid Scope of application: Used for aquarium, food and beverage, medical equipment and chemical industry Package list: 10 * Check Valve Package List 10 x Check Valve