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Lennox 91X23 MERV 8 14x20x1 Genuine Pleated Air Filters 4-Pack

$11.24 per Filter
Retail: $72.95
You Save: 38%
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1" MERV 8 Furnace & AC Air Filter by Filters Fast® - 6-Pack

$10.49 per Filter
Retail: $79.99
You Save: 21%
M8 6pk Sizes - Some Sizes Have Additional Costs :
Ships in 1 to 2 business days. Warning IconView shipping restrictions
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1 - 3 Months
Filter Life
1 - 3 Months
MERV Rating
Reduces Dust
Reduces Pollen
Reduces Mold Spores
Reduces Pet Dander
Reduces Smoke & Smog
Reduces Allergens
Reduces Bacteria
Reduces Virus Carriers
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Product Information
Lennox 91X23
FiltersFast FFM8 6PK

The Lennox 91X23 MERV 8 Pleated Air Filters reduces dust, pollen, and mold spores from indoor air. The Lennox 91X23 are made with moisture-resistant beverage board frame and a sturdy support grid.


  • Brand: Lennox
  • Part Number: 91X23
  • Pack Size: 4
  • Filter Life: 1 to 3 months
  • MERV Rating: 8
  • Nominal Size: 14 x 20 x 1
  • Actual Size: 14" x 20" x 1"

Compatible Models:

The Lennox 91X23 is correct replacement for the following model numbers:

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