Deflecto HS4W/18 Supurr-Vent Replacement Vent Hood

• Fits 4 in. diameter duct opening;• Curved louvers for quieter vent cover operation and maximum air flow;• Quick and easy installation;• UV stabilized to prevent discoloration or warping from sunlight;• Opens with ease for maximum exhaust flow;• Durable and weather-resistant outdoor louvered dryer vent cover;• Melting point: 325deg F;• White;