Home » Hardwood Flooring » Vents for Hardwood Floors        « Previous | Next » Grate Accents Damper Box 4x10 Product ID: 817 Information Center | Shop Accessories | Shop Maintenance Products Click here to view detail. Non-java version. List Price: $3.99 Your Price: $2.89 Each Quantity: Grate Accents Damper Box 4x12 Grate Accents Register System delivers a measured airflow, at 1/4" deflection, of 765 lbs., compared to 270 lbs. from competitor model Grate Accents Register System delivers a velocity of air at 350 fpm (feet per minute), compared 248 fpm from competitor model For use with the Grate Accents assortment of wood and metal face plates, and filters This damper box fits Grate Accents 4" x 10" face plates Also available in 4" x 12" IN STOCK FOR IMMEDIATE DELIVERY!       « Previous | Next »