Each time air passes through a Nordic Pure Pleated ASG activated carbon replacement furnace filter
Replaces Trion Air Bear Cub filters and others that require an actual 3" depth and ideal for customers with health problems or for commercial units
Replaced approximately every 30 to 60 days for fresh clean air
Nordic Pure 24x24x2 MERV 12 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer
23x25x1 Exact MERV 14 Plus Carbon AC Furnace Filters Number Per Box:6 Each time air passes throughActual Size: 23 x 25 x 3 4 (23 x 25 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 USA. Nordic