the efficiency of all air filters is rated according to the same criteria as set forth by ASHRAE
These odor eliminator air filters with activated carbon can be used in residences as a stand-alone filter
With each pass through the pleated furnace air filter
Actual Size: 11 1/2 x 21 x 3/4 (11
HVAC systems should be rated to handle filters of MERV 15 and above
14x28x1 Exact MERV 12 AC Furnace Filters 10x20x1 the efficiency of all airActual Size: 14 x 28 x 3 4 (14 x 28 x 0. 75) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, virus carriers, mold spores and other contaminants. Ideal for high efficiency air filtration and will help those with moderate allergies and asthma. Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 12 is equivalent to MPR 1500 1900 Made in the USA. Nordic Pure MERV 12