Hex Reducer Bushings | Hex Reducer Bushing | Insert Barb x MIP Adatper | NST (NH) x NPT Adapter | Reducing Male Adapter | Threadolets | Socket Weld x Threaded | 1-1/2" | 1" x 1/2" | 1" x 3/4" | 3/4" x 1/4" | 4" x 3" | 5" x 4"