Our air filters use permanently electrostatically charged material that acts like a magnet to help dust cling to the air condition filter
If you are replacing a Honeywell or Lennox 20x25x4 or an air filter with an MPR rating with an actual depth of 4 3/8
Nordic Pure 20x24x1 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
to protect your HVAC unit and provide cleaner air
Nordic Pure 14x25x2 MERV 8 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer
21 1/2x23 3/8x1 Exact MERV 10 AC Furnace Filters Number Per Box:6 Our air filters use permanentlyActual Size: 21 1 2 x 23 3 8 x 3 4 (21. 5 x 23. 38 x 0. 75) Removes pollen, smoke particles, pet dander, bacteria, allergens, mold, virus carriers, and other contaminants. Ideal for normal air filtration and will help those with mild allergies. Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 10 is equivalent to MPR 1000 Made in the USA. Nordic Pure MERV 10 Pleated AC Furnace Air Filters provide