Brass | Dust Plug | Hex Reducer Bushings | Pipe | Threaded Flanges | 1-1/2" x 1-1/2" x 3/4" | 1" x 1/8" | 2-1/2" x 1-1/4" | 2-1/2" x 2" | 2" x 1-1/4" | 3/4" x 1/8"