Copper | Compression x MIP | Insert Barb x MIP | Sweat x MIP | Threaded | 1-1/2" x 1" | 1-1/4" x 3/4" | 1/2" x 1/2" x 3/8" | 1/2" x 3/8" | 18" - 10" x 1-1/4"