Nordic Pure MERV 12 is equivalent to MPR 1500-1900
Nordic Pure 12x20x1 MERV 14 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that attracts and capture most airborne particulates in your home
the efficiency of all air filters is rated according to the same criteria as set forth by ASHRAE
If you are replacing a Honeywell or Lennox 16x25x4 or an air filter with an MPR rating with an actual depth of 4 3/8
16x21 1/2x1 Exact MERV 14 AC Furnace Filters 14 1/2x27 1/2x1 Nordic Pure MERV 12 isActual Size: 16 x 21 1 2 x 3 4 (16 x 21. 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 14