' Electrostatic Air Filter, 16x16x1 Nominal Filter Size, Nominal Height 16 In., Nominal Width 16 In., Nominal Depth 1 In., Filter Efficiency 90 Percent, Frame Type Galvanized Steel, Air Flow 300 fpm, Initial Resistance 0.08 In. WC, Final Resistance 0.5 In. WC, Max. Air Flow 1200 fpm, Max. Temp. 150 Degrees F, Standards UL Class 900 '