Air Filter Material Fiberglass Nominal Filter Size 16x25x2 Nominal Height 16 In. Nominal Width 25 In. Nominal Depth 2 In. MERV 5 Frame Type Heavy Duty Chipboard Air Flow 300 fpm Initial Resistance 0.10 in WC Final Resistance 0.50 in WC Max Air Flow 777 fpm Max Temp 150 Degrees F Standards UL Class 900