MERV 12 furnace filters are comparable to HVAC filters with the rating of MPR 1500-1900
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the efficiency of all air filters is rated according to the same criteria as set forth by ASHRAE
Actual Size: 6 x 30 x 3/4 (6 x 30 x 0
Nordic Pure 12x20x1 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
18x25x1 Pleated MERV 10 Air Filters Carbon MERV 12 furnace filters areActual Size: 17 1 2 x 24 1 2 x 3 4 (17. 5 x 24. 5 x 0. 75) Removes pollen, smoke particles, pet dander, bacteria, allergens, mold, virus carriers, and other contaminants. Ideal for normal air filtration and will help those with mild allergies. Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 10 is equivalent to MPR 1000 Made in the USA. Nordic Pure MERV 10 Pleated AC Furnace Air Filters provide