Nordic Pure 20x24x4 MERV 10 Pleated Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer
odor reducing geothermal AC filters consist of a durable non-woven polyester MERV rated media infused with a naturally derived charcoal
a human hair is about 70 microns wide
Nordic Pure 20x20x5 Honeywell Replacement MERV 14 rated air filters are what is considered the traditional 5” filter at an actual 4 3/8”
This item is made to replace the Lennox X6673 and X6675 media air filters and ideal for helping keep equipment working efficiently and reducing odors
29x29x1 MERV 14 AC Furnace Filters 24 1/2x27x1 Nordic Pure 20x24x4 MERV 10Actual Size: 28 1 2 x 28 1 2 x 3 4 (28. 5 x 28. 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