Nordic Pure 16x20x1 Pure Carbon Pleated Odor Reduction AC Furnace Air Filters, Box of 6 Actual Size of Air Filter: 15 1/2 x 19 1/2 x 3/4 (15.5 x 19.5 x 0.75) inches Naturally derived charcoal media with activated carbon removes odors from VOCs, cooking, pets and smoke All Nordic Pure air filters are electrostatically charged for maximum performance MERV 8 pleated design provides 3X as much carbon media per filter Made in the USA