Pipe, Fittings, and Flanges | 1in x 1/2in | Coupling | Socket Weld x Threaded | Sweat | Threaded | 1-1/2" x 1-1/2" x 1/2" | 1" x 1/2" | 2-1/2" x 2" | 2" x 1" | 6" x 3" | 10" - 6" x 1" | 18" - 10" x 1-1/4"