PVC transparent backwater valve

transparten pvc the max clean patent,makes a valve appear crystal clean blue color,which make it very easy to check for the function and fouling as well!  

plastic design, resistant to acid and alkali corrosion. Fully transparent design, easy to observe the internal fluid state. The flap design, vertical and horizontal can be installed, and reduce resistance, flexible switching, excellent sealing, and can effectively reduce working noise. It is suitable for the backflow of water supply pipes, the backflow of fish tank water pump pipes, and sewer backflow.

Backwater valve, We also call is non-return valve or Check valve. It often used as a physical barrier between your home and public sewer waster water. It is very common to see that the waster water can back up due to blockages. This PVC transparent backwater valve effectively solve the drainage pipe backwater,odor,mosquitoes and other problems