Unions | Grooved Pipe and Fittings | Black Pipe and Fittings | 1-1/2" x 1-1/2" x 1" | 1-1/2" x 3/8" | 1-1/4" x 3/4" | 1/2" x 1/2" x 3/8" | 1/8" | 3/4" x 3/4" x 1/2"