16 3/8x21 3/8x1 Exact MERV 13 AC Furnace Filters Number Per Box:6 MERV 7 furnace filters are

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

With each pass through the pleated furnace air filter

In our opinion

Nordic Pure 12x25x1 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

Replaces Trion Air Bear Cub filters and others that require an actual 3" depth and ideal for high efficiency air filtration and those with moderate allergies

16 3/8x21 3/8x1 Exact MERV 13 AC Furnace Filters Number Per Box:6 MERV 7 furnace filters areActual Size: 16 3 8 x 21 3 8 x 3 4 (16. 38 x 21. 38 x 0. 75) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, virus carriers, mold spores, smog and other contaminants. Ideal for customers looking for superior filtration Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 13 is equivalent to MPR 2200 2400 Made in the USA. Nordic Pure MERV 13 Pleated AC Furnace Air