17x22x1 MERV 14 Plus Carbon AC Furnace Filters Number Per Box:6 Actual Size: 11 1/4 x

Actual Size: 11 1/4 x 23 1/4 x 3/4 (11

Actual Size: 7 3/4 x 25 3/4 x 3/4 (7

Nordic Pure 12x24x4 Pleated Air Filters MERV 7 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home

We recommend that you change your air filter every 3-6 months to maintain maximum efficiency indoor air quality

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

17x22x1 MERV 14 Plus Carbon AC Furnace Filters Number Per Box:6 Actual Size: 11 1/4 xActual Size: 16 1 2 x 21 1 2 x 3 4 (16. 5 x 21. 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