we recommend that you replace your Pure Carbon Pleated air conditioning filter every 30-90 days
Nordic Pure 18x20x1 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 10 furnace air conditioner filters are comparable to HVAC filters with the rating of MPR 900-1000
Nordic Pure 18x18x2 MERV 7 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that attracts and capture most airborne particulates in your home
while these filters are larger at 5 1/4”
18x25x1 Furnace Air Filters MERV 8 Pleated Plus Carbon 12x20x1 we recommend that you replaceActual Size: 17 1 2 x 24 1 2 x 3 4 (17. 5 x 24. 5 x 0. 75) Captures large airborne particles like lint, household dust, pollen, dust mites, mold spores and other contaminants. Ideal for customers who need odor control for pet and cooking smells Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 8 is equivalent to MPR 800 Made in the USA. Nordic Pure 18x25x1 MERV 8 Plus Carbon air filters are made