We recommend that you change your air filter every 30-90 days to maintain maximum efficiency and indoor air quality
MERV 10 furnace air conditioner filters are comparable to HVAC filters with the rating of MPR 900-1000
Nordic Pure 12x12x1 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
Merv 7 pleated air filter captures large airborne particles like household dust
MERV 7 furnace filters are comparable to HVAC filters with the rating of MPR 600
11 1/4x23 1/4x1 Exact MERV 13 AC Furnace Filters 10x10x1 We recommend that you changeActual Size: 11 1 4 x 23 1 4 x 3 4 (11. 25 x 23. 25 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