HVAC systems should be rated to handle filters of MERV 14 and above
Nordic Pure 20x20x4 Plus Carbon Air Filters MERV 12 are made of a dual material where the MERV rated material has been fused together with a carbon layer
Nordic Pure MERV 14 is equivalent to MPR 2800
Actual Size: 17 1/4 x 35 1/4 x 3/4 (17
Nordic Pure 20x25x2 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
20x22 1/4x1 Exact MERV 8 AC Furnace Filters Number Per Box:6 HVAC systems should be ratedActual Size: 20 x 22 1 4 x 3 4 (20 x 22. 25 x 0. 75) Removes lint, dust, pollen, bacteria, pet dander, dust mites, mold spores and other contaminants This dust reduction air filter is ideal in keeping your AC and furnace equipment working efficiently and helps reduce odors Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 8 is equivalent to MPR 800 Made in the USA. Nordic Pure MERV 8 Pleated AC