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If you are replacing a Honeywell or Lennox 16x20x4 or an air filter with an MPR rating with an actual depth of 4 3/8
Replacing your air filter regularly not only improves indoor air quality
to protect your HVAC unit and provide cleaner air
If you are replacing a 4 3/8 depth 16x25x4 filter in your Honeywell unit you should order our 16x25x5 Honeywell Replacement air filter that measures 15 3/4 x 24 3/4 x 4 3/8 (15
Actual Size: 13 1/2 x 35 1/2 x 3/4 (13
20x25x4 (3 5/8) Pleated Air Filters MERV 14 Plus Carbon Number Per Box:2 If you are replacing aActual Size: 19 1 2 x 24 1 2 x 3 5 8 (19. 5 x 24. 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 20x25x4 Plus Carbon or an air filter with an MPR rating with an actual depth of 4 3 8, please see our 20x25x5 (4 3 8 actual depth) Hypoallergenic, antimicrobial, and electrostatic filter