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Lennox Filter - Air Filter, Furnace 17x26x4 (16 1/2x26x4 1/8) MERV 11, 75X74 - X6664 - X6666 AfterMarket
Lennox Filter
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Lennox Filter - Air Filter, Furnace For Models: :75X74 - X6664 - X6666

Fits Lennox model numbers PCO-12C and HCFPCO12-10

Nominal size 17x26x4
Actual size 16 1/2" x 26" x 4 1/8"
ONLY: $34.24 each - Order More & SAVE


Product Code: DPFL17X26X4M11

Quantity Discounts !

2 Filters - Regular Sale Price
4 - Save $4.00 Off Regular Sale Price Total
6 - Save $9.00 Off Regular Sale Price Total
12 - Save $18.00 Off Regular Sale Price Total


Lennox Filter 17x26x4 MERV 11

Please be very careful to select the right size filter.

Nominal Dimension =  17x26x4
Actual size (H) 16 1/2" x (W) 26" x (D) 4 1/8"

Features and Benefits

Our Lennox Filter Replacements are ideal for keeping the air in your home or office clean and fresh.  In addition to cleaning the air you breathe, our air filters will extend the life of your air conditioning unit because the important parts, like the blower assembly, the heat exchanger, the cooling coil, and other inner parts will stay cleaner, operate more efficiently, last longer, use less energy, and require fewer repairs.

Lennox Filter uses Electrostatically charged filter media that captures airborne allergens smaller than 1 micron, including fine dust, smoke, mold, pet dander and dust mites, etc.  The filtering material will not support the development of mold, mildew, bacteria or other micro-organisms.

The Filtering media of our
Lennox Filter Replacements has varying density for greater dust holding capacity. This design traps more contaminants and pollutants while keeping the air resistance lower.

  • The Lennox Filter Replacements we carry are Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters.
  • 98% efficient filtration media.
  • High efficiency filter media collects small dust particles before they can collect on your coils.
  • No assembly required...no combs needed...filter just slides right in!
  • Each filter is individually bagged.  Use the bag to dispose of the old filter!

Lifetime Price Guarantee

When you order your
Lennox Filter, Air Filter Replacement from our company, you are ordering from a company you can trust.  We have been serving our filter customers on the Internet since 1995......Also, we want to make sure you get the best price, so if you find a lower price any time, we will beat it.  This guarantee is good for the life of your air filter.

Lennox part numbers 75X74, X6664 and X6666
Model numbers PCO-12C and HCFPCO12-10

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