Duct Reducer, For Nominal Duct Diameter 4 in, 6 in, Inlet Diameter 6 in, Overall Length 8 in, Product Type Reducer, Weight 1.75 lb, Material Thickness 22 ga, Maximum Pressure Rating 42 in wc, Maximum Temperature Rating 390 Degrees F, Material Steel, Shape Straight, Outlet Diameter 4 in, Overall Height 8 in, Overall Width 6 in, End Type Quick-Fit, Color Silver, Connection Type Clamp Together, Series QF