Moisture resistant frame
Nordic Pure 15x20x1 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 12 Air Bear Cub Replacement furnace air conditioner filters are comparable to HVAC filters with the rating of MPR 1500-1900
MERV 14 Air Bear Cub Replacement furnace air conditioner filters are comparable to HVAC filters with the rating of MPR 2800
Nordic Pure 18x18x2 MERV 14 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that attracts and capture most airborne particulates in your home
20x20x4 (3 5/8) Furnace Air Filters MERV 10 Pleated Plus Carbon 19x21 1/2x1 Moisture resistant frameActual Size: 19 1 2 x 19 1 2 x 3 5 8 (19. 5 x 19. 5 x 3. 63) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, virus carriers, mold spores, help eliminate unwanted odors and other contaminants. If you are replacing a Honeywell or Lennox 20x20x4 Plus Carbon or an air filter with an MPR rating with an actual depth of 4 3 8, please see our 20x20x5 (4 3 8 actual depth) Hypoallergenic, antimicrobial, and electrostatic filter