22x30x1 MERV 10 Plus Carbon AC Furnace Filters 17 1/2x21x1 Nordic Pure 12x20x1 MERV 12

Nordic Pure 12x20x1 MERV 12 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

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With the 4" and 5" air filters there is a wider variance between the nominal and actual size depending on the manufacturer

RETURNS: Custom AC furnace air filters are not returnable since we hand make them per your exact dimensions when you enter your air filter size above

Window Air Conditioner Filter 24" x 96" Bulk Roll manufactured by Nordic Pure is a highly dense electrostatic polyester media designed for your room window AC unit

22x30x1 MERV 10 Plus Carbon AC Furnace Filters 17 1/2x21x1 Nordic Pure 12x20x1 MERV 12Actual Size: 21 1 2 x 29 1 2 x 3 4 (21. 5 x 29. 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 10 is equivalent to MPR 1000