This premium line of decorative architectural outdoor grilles will enhance the appearance of any building. The grilles are made of strong, durable, extruded, anodized aluminum & are designed to be mounted easily from inside the room. These elegant grilles, available in many standard colors, have baked enamel finishes containing 50% Kynar resin, for a superior finish that will withstand the most extreme conditions. Made with extruded aluminum that never rust. Baked enamel finishes containing 50% Kynar resin, Exceeds Underwriters Laboratory flammability rating of UL94-5V. Dent & scratch resistant.