16x21x1 MERV 12 Plus Carbon AC Furnace Filters (4 3/8) resulting in a much healthier

resulting in a much healthier living space

clean air in your home or office

smoke particles

Since we cannot give refunds for custom size furnace filters

16x21x1 MERV 12 Plus Carbon AC Furnace Filters (4 3/8) resulting in a much healthierActual Size: 15 1 2 x 20 1 2 x 3 4 (15. 5 x 20. 5 x 0. 75) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, virus carriers, mold spores, help eliminate unwanted odors and other contaminants. Ideal for customers who not only need odor control but whose daily life demands high filtration Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 12 is equivalent to MPR 1500