2-1/2in x 1-1/4in | Insert Barb x Insert Barb x Insert Barb | Saddle x Compression | Sweat | Threaded | 1-1/2" x 1-1/2" | 1-1/2" x 1-1/4" x 3/4" | 1-1/2" X 1/4" | 1" | 2-1/2" x 1" | 2-1/2" x 1-1/2" | 2-1/2" x 1-1/4" | 2" x 1-1/4"