which is 9-gauge wire grid with a support that runs through the middle for added strength and stability
MERV 8 furnace filters are comparable to HVAC filters with the rating of MPR 800
Nordic Pure 18x20x1 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 20x20x2 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
Trion Air Bear Replacement filters have a depth of 4 7/8" and ideal for superior filtration and odor control
21x21x1 Exact MERV 7 Plus Carbon AC Furnace Filters Number Per Box:6 which is 9-gauge wire gridActual Size: 21 x 21 x 3 4 (21 x 21 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. Nordic Pure pleated