Make your central air system rattle-free with the 3-Way Wall/Ceiling Register. Designed for ceiling openings, this register has smooth glide technology that ensures quiet airflow. It is made from a high quality steel and designed to last a lifetime.. Air deflection: 3-way. Color: Powder Coat White. Color Family: Whites. Features: Louvered. Installation Location: Ceiling,Wall. Material: Steel. Maximum Duct Opening Length (in.): 8 in. Maximum Duct Opening Width (in.): 10 in. Pack Size: 1. Product Weight (lb.): 1.85 lb. Returnable: 90-Day. Shape: Rectangular. Outside Length (in.): 9.75 in. Outside Width (in.): 11.75 in. Maximum Duct Opening Length (in.): 8 in. Maximum Duct Opening Width (in.): 10 in. Installation Location: Wall. Installation Location: Ceiling