Hex Pipe Locknuts | Dust Cap | Compression Coupling | Grooved Coupling | Hex Pipe Locknuts | Hex Reducer Bushing | Insert Barb x Insert Barb Coupling | MIP x NST (NH) Adapter | Reducer Coupling | 1-1/2" | 1" x 1/2" | 3/8" x 1/8" | 3"