Hex Reducer Bushings | Insert Barb x MIP | Male Adapter | Male NST x FIP Adatper | Reducer Coupling | Threaded Flange | Brass Pipe and Fittings | 1-1/2" x 1" | 1-1/2" | 1" x 3/4" | 1" x 3/8" | 3" x 3/4" | 4" x 1-1/2"