20x20x4 (3 5/8) Pleated MERV 13 Air Filters Number Per Box:6 Nordic Pure 16x24x1 MERV 13

Nordic Pure 16x24x1 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

This dust reduction air filter is ideal in keeping your AC and furnace equipment working efficiently and helps reduce odors

and any air system that requires half-inch (1/2") air condition filters

Nordic Pure 20x20x5 Air Bear Replacement MERV 13 air filters measure an actual depth of 4 15/16"

Actual Size: 11 1/2 x 17 1/2 x 3/4 (11

20x20x4 (3 5/8) Pleated MERV 13 Air Filters Number Per Box:6 Nordic Pure 16x24x1 MERV 13Actual 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, smog and other contaminants. If you are replacing a Honeywell or Lennox 20x20x4 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