Lennox X6664 | Our#: 110210

Lennox Model X6664 MERV 11 Replacement Filter - 17 x 26 x 4, 2-Pack

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Lennox X6664 | Our#: 110210

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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: 16 ½" x 25 ⅞" x 3 1516"

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Frequently Purchased Together

Product Details

Factory original filter from Lennox. This Healthy Climate MERV 11 filter fits the PureAir air purification system. The X6664 cartridge can last up to 6 months, though product replacement life cycle depends on the individual conditions and needs of your home. 

  • MERV 11 electrostatically charged media
  • Synthetic media offers large surface area for maximum dirt holding capacities with minimum air resistance
  • Captures dust mites, pollen, mold spores, pet dander and other contaminants down to 0.3 microns
  • Replaces catalog number X6664 (formerly 75X74)
  • Fits Healthy Climate PureAir  PCO-12C Air Purifier
  • Nominal Dimensions: 17" x 26" x 4"
  • Actual Dimensions 16-1/2" x 25-7/8" x 3-15/16"
  • Factory original, OEM product

Replaces These Filters:

Lennox:
75X74
X6664
X6666

Fits In These Systems:

Lennox:
PCO-12C

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.