This high-performance HVAC replacement filter will outperform non-electrostatic fiber-glass filters
They can also be used as a pre-filter in high-efficiency commercial HVAC units
Nordic Pure MERV 12 is equivalent to MPR 1500-1900
We recommend that you change your air filter every 30-90 days to maintain maximum efficiency and indoor air quality
The Actual Size listed above is the exact size of the metal frame
9x13x1 MERV 14 AC Furnace Filters Number Per Box:6 This high-performance HVAC replacement filterActual Size: 8 x 13 x 3 4 (8 x 13 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 14 Pleated AC