The 210VM series is 1-way air register used for wall or ceiling openings. The adjustable vertical front bars allow for 1-way air flow. Our Smooth glide technology ensures rattle free and quiet airflow from your central air system. Smooth glide also provides for smooth opening and closing of your back dampers. Our high quality product will ensure years of continuous use. Product features: Adjustable vertical blades, Solid Steel Construction, White power-coat finish, Recessed screw holes, beveled edges.. 100% powder coat coverage. Unique beveled edges. Individually adjustable vertical blades. Air deflection: 1-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.): 14 in. Pack Size: 1. Product Weight (lb.): 2.9 lb. Shape: Rectangular. Outside Length (in.): 9.75 in. Outside Width (in.): 15.75 in