Everbilt Air Return Grilles are designed for maximum air return flow in ceiling and/or sidewall HVAC applications. Our grilles are constructed from stamped steel and finished in a paintable white powder coat finish. Return grille sizing is based on actual duct opening not the overall dimensions of the grille.. 54° blade pitch from grille face. 1/2 in. blade spacing. Powder coat finish (white). Color: White. Color Family: Whites. Features: No Additional Features. Installation Location: Ceiling,Wall. Material: Steel. Maximum Duct Opening Length (in.): 8 in. Maximum Duct Opening Width (in.): 14 in. Pack Size: 1. Product Weight (lb.): 1.12 lb. Outside Length (in.): 15.75 in. Outside Width (in.): 9.75 in