the effective life of your filter depends on the environment in which you live
MERV 8 furnace filters are comparable to HVAC filters with the rating of MPR 800
the half inch (1/2") double media air filters provide exceptional air filter capacity and remarkable efficiency
Nordic Pure’s 16x25x3 MERV 10 Air Bear Cub Replacement air filter is meant to replace the air condition filter for any system that requires a 3” depth
10x20x2 Furnace Air Filters MERV 10 Pleated Plus Carbon Number Per Box:3 the effective life of yourActual Size: 9 1 2 x 19 1 2 x 1 3 4 (9. 5 x 19. 5 x 1. 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