HVAC systems should be rated to handle filters of MERV 14 and above
depending on your unique home or office environment
the efficiency of all air filters is rated according to the same criteria as set forth by ASHRAE
Please use a tape measure to get the actual size of your current air filter when ordering custom sizes
we recommend that you replace your Pure Carbon Pleated air conditioning filter every 30-90 days
10x14x1 MERV 14 Plus Carbon AC Furnace Filters 8 1/2x30x1 HVAC systems should be ratedActual Size: 9 1 2 x 13 1 2 x 3 4 (9. 5 x 13. 5 x 0. 75) Airborne dust, pollen, mold spores, pet dander, smog, dust mite debris, smoke, and bacteria are captured and helps eliminate unwanted odors and other contaminants. Ideal for customers looking for superior filtration but needing an odor control element Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 14 is equivalent to MPR 2800 Made in the