high efficiency systems that use HEPA filters
they might not be pretty
Nordic Pure 20x25x6 Aprilaire Space-Gard 2200 Replacement Air Filters Part 201 MERV 13 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your workspace or office
Nordic Pure 16x20x5 Honeywell Replacement MERV 14 rated air filters are what is considered the traditional 5” filter at an actual 4 3/8”
Nordic Pure 12x36x1 MERV 10 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer
24x25x1 MERV 14 Plus Carbon AC Furnace Filters MERV 15 high efficiency systems that useActual Size: 23 1 2 x 24 1 2 x 3 4 (23. 5 x 24. 5 x 0. 75) Airborne dust, pollen, mold spores, pet dander, smog, dust mite debris, smoke, and bacteria are captured and helps eliminate unwanted odors and other contaminants. Ideal for customers looking for superior filtration but needing an odor control element Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 14 is equivalent to MPR 2800 Made in