The first layer is a high-capacity
Nordic Pure 16x20x4 Plus Carbon Air Filters MERV 10 are made of a dual material where the MERV rated material has been fused together with a carbon layer
Nordic Pure 18x20x2 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 3” Pure Carbon Pleated Odor Reduction Trion Air Bear Cub Replacement filters are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home or office
Nordic Pure’s 16x25x3 MERV 15 Air Bear Cub Replacement Plus Carbon air filter is meant to replace the air condition filter for any system that requires a 3” depth
17 1/8x26 1/2x1 MERV 12 AC Furnace Filters 18x20x2 The first layer is aActual Size: 17 x 26 1 2 x 3 4 (17 x 26. 5 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