Nominal size is 20x20x2. Actual size is 19.5 x 19.5 x 1.75. MERV 8 with Carbon impregnated disposable pleated panel filters. Each filter lasts up to 3 months. Can be installed in virtually any HVAC system without modifications. Ideal applications include odors from cooking, new paint, new carpet, bathroom smells, cigarette smoke odor, pet odors.
