Accumulair Carbon 14x24x1 (13.5x23.5) Odor eliminating Air Filter/Furnace Filter Nominal Size: 14x24x1. Actual Size: 13.5 x 23.5 x 0.75 Carbon impregnated disposable pleated panel filters A simple solution for controlling both odors and dust particles Ideal applications include odors from cooking, new paint, new carpet, bathroom smells & pet odors The filter will last up to 90 days