16x20x4 (3 5/8) Pleated MERV 13 Air Filters Number Per Box:1 Actual Size: 13 1/2 x

Actual Size: 13 1/2 x 19 1/2 x 1 3/4 (13

Nordic Pure 12x24x4 MERV 13 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that will attract and capture most airborne particulates in your home

Actual Size: 9 1/2 x 14 1/2 x 3/4 (9

Nordic Pure 12x12x1 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

16x20x4 (3 5/8) Pleated MERV 13 Air Filters Number Per Box:1 Actual Size: 13 1/2 xActual Size: 15 1 2 x 19 1 2 x 3 5 8 (15. 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 16x20x4 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