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Lennox X2678 HEPA 20 Charcoal Carbon Filter


Lennox X2678 HEPA 20 Charcoal Carbon Filter
$36.00 /ea
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Retail: $40.28
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Product Information

Don't forget your Spring and Fall maintenance! To find your local Lennox dealer, click here.

The Lennox X2678 is the correct replacement carbon filter for the following air cleaner models:

  • Lennox HEPA 20

The Lennox X2678 HEPA 20 Charcoal Carbon Filter is a replacement charcoal carbon filter for the Lennox Healthy Climate HEPA 20 Bypass Filtration Unit. This is an inner filter used in the third stage of filtration for the removal of odors and wraps around the HEPA cartridge. This HEPA 20 air filter removes chemicals and odors from the air in order to improve your overall indoor air quality. This carbon filter is thick, measuring 1/2 inch, and should be replaced every 3 months for the best results.

Lennox X2678 HEPA 20 Charcoal Carbon Filter specifications:

  • OEM part
  • 1/2 in. (13mm) thickness
  • Fits HEPA 20 air cleaner
  • Wraps around HEPA cartridge
  • Replace filter every 3 months
  • Removes chemicals and odors to improve air quality


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" Just to express my complete satisfaction with your ordering process and, of course, great pricing. When I need a replacement of refrigerator or HVAC filters, I'll be contacting you again. " - Frank, Corona, CA
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