Nordic Pure 16x20x4 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
We recommend that you change your air filter every 30-90 days to maintain maximum efficiency and indoor air quality
Nordic Pure Custom MERV 14 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering
With each pass through the pleated furnace air filter
16x24x1 Pleated MERV 13 Air Filters Number Per Box:3 Nordic Pure 16x20x4 Plus CarbonActual Size: 15 1 2 x 23 1 2 x 3 4 (15. 5 x 23. 5 x 0. 75) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, virus carriers, mold spores, smog and other contaminants. Ideal for customers looking for superior filtration Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 13 is equivalent to MPR 2200 2400 Made in the USA. Nordic Pure MERV 13 Pleated AC Furnace Air Filters