The Pleated 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 18x20x2 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
Nordic Pure 18x24x1 MERV 7 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that attracts and capture most airborne particulates in your home
Nordic Pure MERV 10 is equivalent to MPR 1000
20x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 8 Air Filters Furnace Filters The Pleated Plus Carbon airActual Size: 19 5 8 x 19 7 8 x 4 3 8 (19. 63 x 19. 88 x 4. 38) Removes lint, dust, pollen, bacteria, pet dander, dust mites, mold spores and other contaminants Replaces Honeywell 20x20x4 and filters with an MPR rating with an actual depth of 4 3 8 and ideal for helping keep equipment working efficiently and reducing odors Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 8 is equivalent to MPR