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MERV 14 Trion Air Bear replacement furnace air conditioner filters are comparable to HVAC filters with the rating of MPR 2800
Each Nordic Pure 4” MERV 7 air filter captures airborne particles as small as 3
If you are replacing a Honeywell or Lennox 16x25x4 or an air filter with an MPR rating with an actual depth of 4 3/8
Trion Air Bear Replacement filters have a depth of 4 7/8" and ideal for customers with health problems or for commercial units
Particles in indoor air are measured in microns
23x25x1 Exact MERV 12 AC Furnace Filters Number Per Box:6 MERV 14 Trion Air BearActual Size: 23 x 25 x 3 4 (23 x 25 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