20x20x4 (3 5/8) Pleated Air Filters MERV 7 Plus Carbon 16x30x 1/2 Nordic Pure 18x20x1 MERV 13

Nordic Pure 18x20x1 MERV 13 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

Nordic Pure 20x25x5 Lennox X6673_X6675 Replacement MERV 10 rated air filters are what is considered the traditional 5” filter at an actual 4 3/8”

Actual Size: 12 x 27 x 3/4 (12 x 27 x 0

Nordic Pure 18x30x1 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

20x20x4 (3 5/8) Pleated Air Filters MERV 7 Plus Carbon 16x30x 1/2 Nordic Pure 18x20x1 MERV 13Actual Size: 19 1 2 x 19 1 2 x 3 5 8 (19. 5 x 19. 5 x 3. 63) Captures large airborne particles like lint, household dust, pollen, dust mites, mold spores 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 media. Moisture resistant frame. Nordic Pure