Vent Hood, For Nominal Duct Diameter 3 in, Gas Appliance Category Category I, For Duct Height 6 1/4 in, For Duct Width 6 1/4 in, Inlet Diameter 3 in, Material Aluminum, Overall Length 7 3/4 in, Product Type Vent Hood, Inside Diameter 3 in, Material Thickness 20 ga, Weight 4 lb, Maximum Pressure Rating Not Applicable, Maximum Temperature Rating 575 Degrees F, Seal Material Not Applicable, Standards Not Applicable, Finish Flat, Color Silver, Overall Height 5 1/4 in, Shape Rectangular & Round