Nordic Pure 16x30x1 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
We recommend changing your HVAC furnace filter every 1-3 months
The AC filter material extends beyond the frame
MERV 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800
17 1/2x21x1 Exact MERV 13 Plus Carbon AC Furnace Filters Number Per Box:6 Nordic Pure 16x30x1 MERV 8Actual Size: 17 1 2 x 21 x 3 4 (17. 5 x 21 x 0. 75) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, smog, virus carriers, mold spores, help eliminate unwanted odors and other contaminants. Ideal for customers looking for superior filtration but needing an odor control element Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 13 is equivalent to MPR 2200 2400 Made in