20x20x4 (3 5/8) Pleated Air Filters MERV 15 Plus Carbon Number Per Box:2 Actual Size: 14 1/2 x

Actual Size: 14 1/2 x 29 1/2 x 3/4 (14

capturing large airborne particles

Nordic Pure 12x12x1 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

Replaces Honeywell 16x25x4 and filters with an MPR rating with an actual depth of 4 3/8 and ideal for helping keep equipment working efficiently and reducing odors

Nordic Pure 16x25x4 Plus Carbon Air Filters MERV 8 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 15 Plus Carbon Number Per Box:2 Actual Size: 14 1/2 xActual Size: 19 1 2 x 19 1 2 x 3 5 8 (19. 5 x 19. 5 x 3. 63) Airborne dust, pollen, mold spores, pet dander, smog, dust mite debris, smoke, and bacteria are captured and helps 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