6in x 4in | Chimney Cap | Clamp Ftg x Insert Barb | Compression Coupling | Hex Reducer Bushings | Reducer Coupling | Slip On Flanges | Threaded Flanges | Wyes | 1-1/2" x 1-1/2" x 1" | 1" x 1" x 1/2" | 2-1/2" | 6" x 3"