Each time air passes through a Nordic Pure carbon pleated furnace filter
Nordic Pure 24x24x4 MERV 8 Pleated Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer
MERV 8 Air Bear Cub Replacement furnace air conditioner filters are comparable to HVAC filters with the rating of MPR 800
Actual Size: 12 x 15 x 3/4 (12 x 15 x 0
28x28x1 MERV 10 Plus Carbon AC Furnace Filters Number Per Box:6 Each time air passes throughActual Size: 27 3 4 x 27 3 4 x 3 4 (27. 75 x 27. 75 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 10 is equivalent to MPR 1000