AIRx 20x25x5-ALLERGY | Our#: 180865

20x25x5 AIRx ALLERGY Replacement for Lennox Model X6673 Air Filter - MERV 11

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AIRx 20x25x5-ALLERGY | Our#: 180865

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Reduce common allergy symptoms

  • Reduces allergy irritating particles
  • Captures allergens like dust, mold spores, pet dander, dust mite debris and more
  • Lessens odors from car fumes & smog
  • Creates cleaner indoor air
  • Actual Dimensions: 19¾" x 24¾" x 4⅜"

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Frequently Purchased Together

Product Details

Is this the right air filter for you?

If you want to remove the particulate in your household air that causes allergies, this is the filter for you. You won't find this filter in your local "big box store" and you'll probably pay a premium if you purchase it through your contractor.  Make it easy on yourself and purchase online.  We'll deliver quickly to your front door.

  • Quality 4-3/8" pleated air filter offers improved filtration and longer service life over common 1" filters 
  • MERV 11 rating means the filter attracts household allergens like dust, pollen, mold spores, and dust mite debris that irritate your lungs
  • Replacement for the popular Lennox Healthy Climate X6673 - nominal size 20x25x5 (or 20x25x4) 
  • Replace every 6-9 months under normal use
  • Made with pride in the USA
  • 100% free shipping and returns on all filters
  • This filter is not manufactured by Lennox

What does this air filter remove?

What part numbers does this filter replace?

  • Lennox Healthy Climate X6673, HCF20-10

Do you want to know about the technical specs?

Nominal Dimensions
20 x 25 x 5"
Actual Dimensions
19¾ x 24¾ x 4⅜"
Filter Media
Electrostatically charged 100% synthetic gradient media that does not support microbiological growth
Filter Support Grid
30 gauge galvanized expanded metal grid
Frame
Moisture resistant double-wall beverage board
Max Temperature
180F (82C) continuous service, peak 225F (107C)
Max Humidity
Resistant to 100% R.H.

Replaces These Filters:

Lennox:
HCF20-10
X0586
X6673
National Filter Sales:
PF-02-202505HW-2

Lennox® and Healthy Climate® are registered trademarks of Lennox International Inc.. National Trade Supply, Inc, DiscountFilters.com and AIRx are not affiliated with Lennox International Inc.