Designed for floor openings, this Floor Diffuser allows you to control the airflow into a room for increased circulation. Smoothglide technology ensures a rattle-free and quiet airflow from your central air system. Made from high quality steel, this brown powder-coated diffuser was made to last.. Air deflection: 2-way. Color: Powder Coat Brown. Color Family: Browns/Tans. Features: Louvered. Installation Location: Floor. Material: Steel. Maximum Duct Opening Length (in.): 2 in. Maximum Duct Opening Width (in.): 10 in. Pack Size: 1. Product Weight (lb.): 0.979 lb. Returnable: 90-Day. Shape: Rectangular. Outside Length (in.): 3.75 in. Outside Width (in.): 11.5 in. Maximum Duct Opening Width (in.): 10 in. Maximum Duct Opening Length (in.): 2 in. Installation Location: Floor. Outside Width (in.): 11.5 in. Features: Louvered. Shape: Rectangular