Steel | Blind Flange | 45 Elbow | Hex Reducer Bushings | Insert Barb x MIP Adatper | Swage/Reducing Nipples | Threaded | 1-1/2" x 1" | 1-1/2" | 2-1/2" x 2" | 3/4" | 3" x 3/4" | 4" x 2"