Hex Pipe Locknuts | Grooved Coupling | Hex Pipe Locknuts | Hex Reducer Bushing | MIP x NST (NH) Adapter | Reducer Coupling | Slip On Flanges | Threaded Flanges | 1-1/2" | 1" x 1/2" | 3" | 8" x 4" | 10" x 6"