Socket Weld x MIP | Insert Barb x MIP | Threaded True Union | Threaded x Threaded | Threaded | Brass | 1-1/2" x 1-1/4" | 1-1/4" x 1/4" | 1-1/4" | 1/2" x 3/8" | 3/8"-5/16"-18 | 3" x 1-1/2" | 18" - 10" x 1-1/4"