Eliminates expensive secondary vent stacks. Can be used for sinks, basins, tubs, showers, vanities, and washing machines – not to be used for toilets. 1-1/2″ Male pipe threads. Packed 1 per Do it card. Each drainage system using a Mechanical vent must have a main vent stack to atmosphere (through…
Band & housing, and screw, 300 series stainless steel. Band is 1/2″ wide. Screw is 5/16″ slotted hex head. All stainless steel UPC (Uniform Plumbing Code) Shield on housing is approved for underground use.