Check Valve 4mm Aquarium Air Pump 1 Way Water Stop Red

1 Replacement: This one way check valve can be used to replace the broken check valve and fit perfectly, to prevent the backflow of gas or liquid 2 Strong Pressure Resistance: The stop check valve has sufficient pressure bearing capacity and rigidity to meet actual use requirements within appropriate range 3 High Performance: The check valve has good thermal performance, strong chemical stability, non toxic and odorless 4 Excellent PP Material: The stop check valve is made of high quality PP plastic material, which is wear resistant and durable 5 Application: This one way check valve is widely used for fish tank, food and beverage, medicine equipment, chemical industry, etc.

What's in the box
10 x Check Valve