Charlotte Pipe 4 In. X 4 In. X 2 In. Reducing Tee-Wye PVC Tee

Schedule 40 PVC-DWV fitting. Required in some plumbing code areas to connect a branch line into a vertical drain pipe (stack) instead of conventional tee fitting. Also, used to connect a horizontal branch pipe approaching a horizontal drain pipe on the perpendicular. Hub x hub x hub.