20x25x1 Pleated Air Filters MERV 7 Plus Carbon 20x25x1 which are 1/1000 of a

which are 1/1000 of a millimeter (a human hair is about 70 microns wide)

Nordic Pure 20x25x6 Aprilaire Space-Gard 2200 Replacement Air Filters Part 201 MERV 14 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your workspace or office

The AC filter material extends beyond the frame

Nordic Pure 16x20x4 Pleated Air Filters MERV 7 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home

Actual Size: 13 1/2 x 19 1/2 x 3/4 (13

20x25x1 Pleated Air Filters MERV 7 Plus Carbon 20x25x1 which are 1/1000 of aActual Size: 19 1 2 x 24 1 2 x 3 4 (19. 5 x 24. 5 x 0. 75) Captures large airborne particles like lint, household dust, pollen, dust mites, mold spores and other contaminants. This dust reduction air filter is ideal in keeping your AC and furnace equipment working efficiently and helps reduce odors Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 7 is equivalent to MPR 600 Made in the USA.