Polypropylene | Hex Reducer Bushing | Clean Out | Hex Reducer Bushings | Insert Coupling | Threaded Flange | Weldneck Flanges | 1-1/2" | 2-1/2" x 2" | 2" x 1/4" | 3" x 3/4" | 4" x 1-1/2" | 4" x 2"