They can also be used as a pre-filter in high-efficiency commercial HVAC units
HVAC systems should be rated to handle filters of MERV 15 and above
Nordic Pure 15x20x2 MERV 10 Plus Carbon air filters 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
14x28x1 Exact MERV 13 Plus Carbon AC Furnace Filters 12x20x1 They can also be usedActual Size: 14 x 28 x 3 4 (14 x 28 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 2400 Made in the