Pipe, Fittings, and Flanges | 1in x 1in x 1/2in | Male National Pipe Thread (MNPT) | Socket Weld x Threaded | Sweat | Threaded x Threaded | Threaded | 1" x 1" x 1/2" | 2" x 1" | 3" x 3/4" | 4" x 1-1/2"