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a human hair is about 70 microns wide
Nordic Pure 12x24x4 MERV 15 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that will attract and capture most airborne particulates in your home
This dust reduction air filter is ideal in keeping your AC and furnace equipment working efficiently
Actual Size: 11 1/2 x 23 1/2 x 3/4 (11
5 x 19 x 0
16x21x1 MERV 14 AC Furnace Filters Air Filters a human hair is aboutActual Size: 15 1 2 x 20 1 2 x 3 4 (15. 5 x 20. 5 x 0. 75) Airborne dust, pollen, mold spores, pet dander, smog, dust mite debris, smoke, and bacteria are captured and removed. Ideal for customers with health problems or for commercial units which support a rating of MERV 14 and above Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 14 is equivalent to MPR 2800 Made in the USA. Nordic Pure MERV