Features Direct Replacement: This is a single -road check valve, which can directly replace the damaged stop valve. It is easy to use and is practical. Stop Reverse Ability: Have enough pressure shaft to stop the inverse valve ability and stiffness to meet the actual requirements within the appropriate range. Stable High -Performance: The stop valve has a good effect of preventing water overflow, stable high performance, and can meet our use. PE Material: This inspection valve is made of selected PE materials. It has the characteristics of stability and solidity, very durable, and has a long service life. Practical Tool Accessories: One -way valve has good performance, use stability, wide range of use, is a very practical tool accessories. Specification: Item Type: Check Valve Material: PE Function: Connect the hose to prevent the backflow of gas or liquid Scope of Application: Used for fish tank, food and beverage, medical equipment, chemical industry Package List: 10 x Check Valve Package List 10 x Check Valve