Branch Connections | Coupling | Hex Reducer Bushing | Insert Barb x MIP Adatper | Push to Connect End Cap | Reducer Coupling | Threaded Flanges | Threadolets | 1/2" | 2" x 1" | 2" x 1-1/2" | 3" x 2-1/2" | 4" x 2-1/2"