For use in 1,2,and 3 hour rated floor-ceiling and roof-ceiling constructions Galvanized steel frames High temperature, non-asbestos, reinforced fiber thermal fabric Stainless steel closure springs 165°F degree fusible link Attractive painted white steel grille Low profile blends well with any décor Galvanized steel, 4 duct connector Built-in metal backdraft damper Key-holed mounting brackets span up to 24 and are adjustable horizontally and vertically Easy to install radiation damper accessory kit for use with a variety of Broan and NuTone fans: Broan: 784, 770, 684, 676, DX90, DX110, HD50, HD80, 676EX, 683 and 683C NuTone: 50NT, 80NT, HD50NT, HD80NT, 671SP, 672SP and NT080CADA Compliant: No Duct Size: 4 Round Eco Friendly: No Energy Star Compliant: No Grille Height: 3 8 Grille Length: 11-5 8 Grille Width: 9-1 2 Housing Depth: 10 Housing Height: 3 Housing Width: 8 Installation Type: Ceiling Mount Outdoor Approved: No UL Listed: Yes
