4in x 1-1/2in | Hex Reducer Bushings | MIP x Male NPSH Adapter | Nipple TBE | NST x NST Swivel Coupling | Reducer Couplings | 1-1/2" | 1" x 3/4" | 1" x 3/8" | 2-1/2" x 1-1/2" | 2-1/2" x 2" | 3/8" x 1/8" | 4" x 1-1/2"