18x24x4 (3 5/8) Pleated Air Filters MERV 7 Plus Carbon Number Per Box:1 MERV 7 furnace filters are

MERV 7 furnace filters are comparable to HVAC filters with the rating of MPR 600

HVAC systems should be rated to handle filters of MERV 14 and above

Nordic Pure 12x25x2 MERV 13 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 18x30x1 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 16x28x6 Aprilaire Space-Gard 2400 Replacement Air Filters Part 401 MERV 8 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your workspace or office

18x24x4 (3 5/8) Pleated Air Filters MERV 7 Plus Carbon Number Per Box:1 MERV 7 furnace filters areActual Size: 17 1 2 x 23 3 8 x 3 5 8 (17. 5 x 23. 38 x 3. 63) Captures large airborne particles like lint, household dust, pollen, 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 7 is equivalent to MPR 600 Made in the USA.