This Deflecto 6 inch Supurr-Vent Louvered Hood, flat-back (flush mount) is a perfect fit for your outdoor venting requirements. The flat back with louvered vent hood is designed for easy flush - mounting applications. The louvered hood is constructed to help prevent wind and rain from entering the vent while opening for easy air flow. There is no guard on this product. The louvered vent is durable and has a 325° F+ melting point.