Brass | Hex Reducer Bushings | Male Adapter | Male NST x FIP Adatper | Reducer Coupling | Union | 1-1/2" | 2-1/2" x 1-1/2" | 2" x 1-1/4" | 2" x 1/4" | 3" x 3/4" | 4" x 1-1/2" | 4" x 2"