Carbon Steel | Female Adapter | Hex Reducer Bushings | Insert Barb x Insert Barb Coupling | Insert Barb x MIP Adatper | Male Cam x MIP Adapter | NST x NST Swivel Coupling | Threaded Flanges | 1-1/2" x 1-1/2" x 3/4" | 1-1/2" | 2-1/2" x 2" | 2" x 1-1/4" | 3/4" x 1/8"