Decorative Vent Cover, Grille, made of Urethane Resin in Louis XIV, French style fits over a 6&rdquo; x 14&rdquo;, Total size, 8&rdquo; by 16&rdquo;, for wall & ceiling installation only. (not for floors) (Antique Brass) Incredible three dimensional detail of grille (see expanded view), not just hole punched sheet metal. Our urethane resin cast grilles are equal in surface quality to Investment casting or lost wax casting quality at a fraction of the cost. Much superior to the rough looking surfaces of cast iron or cast aluminum grilles. Maintenance free, you should not have to re-finish, remove rust, corrosion or mold for life of our exterior grade urethane resin grilles. Can be used in damp or wet locations, like exteriors, bathrooms, kitchens and indoor swimming pools or the other rooms on the same HVAC system as the pool room. Easy installation, Predrilled screw-holes and all necessary hardware provided. Our grilles are flat on the back, with no protrusion that needs to fit into the duct-work. Just place over duct, level and screw in. Our grilles will also reduce or eliminate completely the irritating high pitched noise problems often found with stamped steel louvered grilles. Urethane resin grilles will not vibrate and make noise like metal grilles do. Louis XIV Grille; historic reproduction of possibly the best looking grille ever made in Europe, Circa 1680's Use to replace old louvered grilles for wall & ceiling only (not for floors) also meets General Services Administration code #1501003S standards for Historic Preservation Guidelines, for grilles in historic buildings.