The 150TSW series is a 2-way Toe Space air grille powder coated in white used for floor openings. The stamped face allows for two-way air 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. TRUaire™ Supply Air Grille, 2-Way Stamped Face, Series: 150TSW, 4 x 12 in, 13-1/2 in Overall Width, 25 deg Deflection, 1/2 in Blade Spacing, Steel, Pristine White Powder Coated, Import