Nordic Pure 8x20x1 MERV 8 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer
MERV 13 furnace air condition filters are comparable to HVAC filters with the rating of MPR 2200-2400
polyester filter material which acts as a pre-filter
Nordic Pure 16x28x6 Aprilaire Space-Gard 2400 Replacement Air Filters Part 401 MERV 10 Plus Carbon are made of a dual material where the MERV rated material has been fused together with a carbon layer
If you are replacing a Honeywell or Lennox 16x25x4 Plus Carbon or an air filter with an MPR rating with an actual depth of 4 3/8
16 1/4x21 1/2x1 Exact MERV 13 Plus Carbon AC Furnace Filters Window Nordic Pure 8x20x1 MERV 8Actual Size: 16 1 4 x 21 1 2 x 3 4 (16. 25 x 21. 5 x 0. 75) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, smog, virus carriers, mold spores, help 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 13 is equivalent to MPR 2200 2400