Brass | Clean Out | Hex Pipe Locknuts | Hex Reducer Bushings | Insert Barb x Insert Barb Coupling | NST (NH) x NPT Adapter | Reducer Coupling | Threaded Flanges | 1-1/2" x 1-1/2" x 3/4" | 2-1/2" x 2" | 2" x 1-1/4" | 2" x 2"" x 1" | 4" x 2"