1½" Heavy Duty Backwash Hose - NF150X300 (sold by the foot)
***ALL SALES ARE FINAL ON CUSTOM CUT PRODUCTS***
The backwash hose is used in the backwashing system, it connects to the filtration system and when you switch to backwash the water then runs out through this hose, to a designated drainage location. Fits 1½ inch plumbing.