23 3/4x23 3/4x1Exact MERV 13 Plus Carbon AC Furnace Filters Number Per Box:6 Each time air passes through

Each time air passes through a Nordic Pure Pleated ASG replacement furnace filter

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

Nordic Pure 12x18x1 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 14x30x1 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

Actual Size: 11 1/4 x 19 1/4 x 3/4 (11

23 3/4x23 3/4x1Exact MERV 13 Plus Carbon AC Furnace Filters Number Per Box:6 Each time air passes throughActual Size: 23 3 4 x 23 3 4 x 3 4 (23. 75 x 23. 75 x 0. 75) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, smog, virus carriers, mold spores, help eliminate unwanted odors and other contaminants. Ideal for customers looking for superior filtration but needing an odor control element Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 13 is equivalent to MPR 2200