8 7/8x33 5/8x1 MERV 14 AC Furnace Filters Number Per Box:6 We recommend that you change

We recommend that you change your air filter every 30-90 days to maintain maximum efficiency and indoor air quality

Nordic Pure Custom MERV 10 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering

The media used will not promote the growth of bacteria or mold on the air filter and is better at trapping airborne particles than fiberglass filters

MERV 7 furnace filters are comparable to HVAC filters with the rating of MPR 600

8 7/8x33 5/8x1 MERV 14 AC Furnace Filters Number Per Box:6 We recommend that you changeActual Size: 8 3 4 x 33 1 2 x 3 4 (8. 75 x 33. 5 x 0. 75) Airborne dust, pollen, mold spores, pet dander, smog, dust mite debris, smoke, and bacteria are captured and removed. Ideal for customers with health problems or for commercial units which support a rating of MERV 14 and above Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 14 is equivalent to MPR 2800 Made in the USA. Nordic Pure MERV