Ensure your clothes dryer and bath fan venting systems run efficiently with this Imperial 4-in Premium Wall Exhaust Hood. Designed for maximum airflow and energy efficiency, this vent hood features an innovative damper with an airtight construction that helps prevent back-draft and heat loss. Made of durable painted galvanized steel, this heavy-duty vent hood can withstand the elements and is paintable to match the exterior of your home. Designed for energy efficiency and maximum airflow Ideal for clothes dryer and bath fan venting Innovative damper design prevents back-draft and heat loss Made of durable, painted galvanized steel to withstand the weather Can be painted to match the exterior of your home Easy to install Color/Finish Family: White Type: R2 exhaust Duct Diameter (Inches): 4 Assembled: Yes Duct Material: Galvanized steel Hood Material: Galvanized steel Warranty: 1-year limited CA Residents: Prop 65 Warning(s): No UNSPSC: 52141600