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