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Ships within 48 hours · Estimated delivery Oct 20 - Oct 25
a human hair is about 70 microns wide
For filter installation the air enters thru the fuzzy
Since we cannot give refunds for custom size furnace filters
Replacing your air filter regularly not only improves indoor air quality
Nordic Pure 14x20x2 MERV 7 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that attracts and capture most airborne particulates in your home
13x20x1 Exact MERV 12 AC Furnace Filters 13x21 3/4x1 a human hair is aboutActual Size: 13 x 20 x 3 4 (13 x 20 x 0. 75) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, virus carriers, mold spores and other contaminants. Ideal for high efficiency air filtration and will help those with moderate allergies and asthma. Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 12 is equivalent to MPR 1500 1900 Made in the USA. Nordic Pure MERV 12
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