20x20x4 (3 5/8) Pleated Air Filters MERV 7 Plus Carbon 16x30x 1/2 Actual Size: 17 1/2 x

Actual Size: 17 1/2 x 19 1/2 x 3/4 (17

Nordic Pure 20x24x4 MERV 14 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

Nordic Pure 10x30x1 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

We recommend changing your HVAC furnace filter every 1-3 months

Nordic Pure 12x24x1 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

20x20x4 (3 5/8) Pleated Air Filters MERV 7 Plus Carbon 16x30x 1/2 Actual Size: 17 1/2 xActual 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