AIRx 16x26x3LX-ALLERGY | Our#: 177193

16x26x3 AIRx ALLERGY Replacement for Lennox X1180 Air Filter - MERV 11

AIRx 16x26x3LX-ALLERGY | Our#: 177193

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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: 15" x 26 ⅛" x 3"

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Frequently Purchased Together

Product Details

16x26x3 AIRx ALLERGY Lennox X1180 Replacement Air Filter - MERV 11
(Actual size 15 3/4" x 26 1/8" x 3")


  • Budget alternative to and replacement for factory filter
  • MERV 8 Efficiency Rating
  • Removes including pollen, dust and dirt, pet dander, dust mites, mold/fungi, and other contaminants that can aggravate allergies
  • Change filter every 6-9 months, depending on environment
  • Fits model PCO-12U Air Cleaner


Do you want to know about the technical specs?

Nominal Dimensions
16 x 26 x 3"
Actual Dimensions
15 x 26 ⅛ x 3"
Filter Media
Electrostatically charged 100% synthetic gradient media that does not support microbiological growth
Filter Support Grid
30 gauge galvanized expanded metal grid
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® and Healthy Climate® are registered trademarks of Lennox International Inc.. National Trade Supply, Inc, and AIRx are not affiliated with Lennox International Inc.