21 1/2x23x1 Exact MERV 12 AC Furnace Filters Number Per Box:6 Nordic Pure 14x14x1 MERV 12

Nordic Pure 14x14x1 MERV 12 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

Nordic Pure 16x25x1 MERV 7 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

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

Odorus gases and vapors (VOC) are attracted to and held by the activated carbon material while maintaining excellent air flow properties

21 1/2x23x1 Exact MERV 12 AC Furnace Filters Number Per Box:6 Nordic Pure 14x14x1 MERV 12Actual Size: 21 1 2 x 23 x 3 4 (21. 5 x 23 x 0. 75) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, virus carriers, mold spores and other contaminants. Ideal for high efficiency air filtration and will help those with moderate allergies and asthma. Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 12 is equivalent to MPR 1500 1900 Made in the USA. Nordic Pure MERV