The 150MB series is a 2-way air register powder coated in brown used for floor openings. The stamped face allows for 2-wayair deflection. 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: Heavy steel construction, non-scuff textured brown finish, Smooth Glide, foot operated wheel control.Floor diffuser controls airflow into a roomMade of high quality steelBrown powder coat finishDampers control the amount and direction of airflowDuct opening measurement Height x Width