16x20x4 (3 5/8) Furnace Air Filters MERV 8 Pleated Plus Carbon Number Per Box:1 It is important to note

It is important to note that because of this high filtration and air flow restriction

Replaces Honeywell 16x20x4 and filters with an MPR rating with an actual depth of 4 3/8 and ideal for normal air filtration

Nordic Pure 16x28x6 Aprilaire Space-Gard 2400 Replacement Air Filters Part 401 MERV 8 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your workspace or office

Merv 7 pleated air filter captures large airborne particles like household dust

16x20x4 (3 5/8) Furnace Air Filters MERV 8 Pleated Plus Carbon Number Per Box:1 It is important to noteActual Size: 15 1 2 x 19 1 2 x 3 5 8 (15. 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 16x20x4 Plus Carbon or an air filter with an MPR rating with an actual depth of 4 3 8, please see our 16x20x5 (4 3 8 actual depth) Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure