Honeywell Home Replacement Media Air Filter, F100F Series, Disposable Filter, 16 in Width, 25 in Height, 4 in Depth, 11 MERV, 15 % Filter Efficiency, 500 fpm Rated Velocity, 0.177 in-WC Initial Resistance, 23-1/4 in H x 14-7/16 in W x 6-3/4 in D Actual, -40 to 140 deg F