Pipe, Fittings, and Flanges | Reducing Male Adapter | 1-1/2" x 1" | 1-1/2" x 1-1/4" | 1-1/2" x 3/8" | 1-1/4" x 1-1/2" | 1/2" | 2" x 1-1/2" | 2" x 1-1/4" | 3/8" x 1/8" | 4" x 4" x 2" | 4"