Nordic Pure 16x20x4 Plus Carbon Air Filters MERV 8 are made of a dual material where the MERV rated material has been fused together with a carbon layer
Nordic Pure furnace air conditioner filters are manufactured using a heavy duty
MERV 12 furnace air conditioner filters are comparable to HVAC filters with the rating of MPR 1500-1900
Actual Size: 15 1/2 x 24 1/2 x 3 5/8 (15
15x30x1 MERV 12 Plus Carbon AC Furnace Filters 16x24x 1/2 Nordic Pure 16x20x4 Plus CarbonActual Size: 14 1 2 x 29 1 2 x 3 4 (14. 5 x 29. 5 x 0. 75) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, virus carriers, mold spores, help eliminate unwanted odors and other contaminants. Ideal for customers who not only need odor control but whose daily life demands high filtration Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 12 is equivalent to MPR 1500