Nordic Pure 16x20x4 Plus Carbon Air Filters MERV 8 are made of a dual material where the MERV rated material has been fused together with a carbon layer
This is a replacement filter for part numbers AC-302
With each pass through the pleated furnace air filter
MERV 13 Air Bear Cub Replacement furnace air conditioner filters are comparable to HVAC filters with the rating of MPR 2200-2400
16x20x4 (3 5/8) Pleated Air Filters MERV 15 Plus Carbon 13x23x1 Nordic Pure 16x20x4 Plus CarbonActual Size: 15 1 2 x 19 1 2 x 3 5 8 (15. 5 x 19. 5 x 3. 63) Airborne dust, pollen, mold spores, pet dander, smog, dust mite debris, smoke, and bacteria are captured and helps eliminate unwanted odors and other contaminants. If you are replacing a Honeywell or Lennox 16x20x4 Plus Carbon or an air filter with an MPR rating with an actual depth of 4 3 8, please see our 16x20x5 (4 3 8 actual depth) Hypoallergenic, antimicrobial, and electrostatic filter