Odor Removal Non-Pleated Air Filter 12x24x1 Nominal Filter Size Style - Air Filters Panel Nominal Height 12 In. Nominal Width 24 In. Nominal Depth 1 In. Air Flow 250 fpm Initial Resistance 0.48 in WC Frame Included Yes Final Resistance 1.00 in WC CCL4 Activity 60 Percent Max Air Flow 500 fpm Prefilter Synthetic Fiber Max Temp 180 Degrees F