3-1/2in | Hex Reducer Bushings | MIP x Male NPSH Adapter | NST (NH) x NPT Adapter | Rubber Coupling | Socket Weld Flanges | Weldneck Flanges | 1-1/2" | 1" x 1/2" | 1" x 3/4" | 1" x 3/8" | 3" x 1/2" | 4" x 1-1/2"