21 1/2x23 3/8x1 Exact MERV 7 Plus Carbon AC Furnace Filters Number Per Box:6 Nordic Pure 18x24x1 MERV 13

Nordic Pure 18x24x1 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 16x25x4 Pleated Air Filters MERV 12 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home

Actual Size: 8 x 8 x 3/4 (8 x 8 x 0

while these filters are larger at 5 1/4”

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

21 1/2x23 3/8x1 Exact MERV 7 Plus Carbon AC Furnace Filters Number Per Box:6 Nordic Pure 18x24x1 MERV 13Actual Size: 21 1 2 x 23 3 8 x 3 4 (21. 5 x 23. 38 x 0. 75) 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.