Swage/Reducing Nipples | Insert Barb x MIP | Threaded | 1-1/2" x 1-1/4" | 1-1/2" x 1/2" | 1/2" x 3/8" | 1" x 1/8" | 2-1/2" - 2" x | 2" x 1/4" | 3-1/2" - 2-1/2" x | 3/4" x 1/2" | 18" - 10" x 1-1/4"