21x22x1 Exact MERV 12 Plus Carbon AC Furnace Filters 13x21 1/2x1 AC and heater window units

AC and heater window units

We recommend that you change your air filter every 3-6 months to maintain maximum efficiency indoor air quality

Nordic Pure 16x20x4 Pleated Air Filters MERV 12 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home

Nordic Pure 20x20x4 Pleated Air Filters MERV 8 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home

Replaces Honeywell 20x20x4 and filters with an MPR rating with an actual depth of 4 3/8 and ideal for helping keep equipment working efficiently and reducing odors

21x22x1 Exact MERV 12 Plus Carbon AC Furnace Filters 13x21 1/2x1 AC and heater window unitsActual Size: 21 x 22 x 3 4 (21 x 22 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 1900 Made in the