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Lennox X6673 MERV 11 HCF20-11 HCF20-16 Filter Replacement-20x25x5

Retail: $80.99
You Save: 38%
Ships in 2 to 3 business days.

Filters Fast® FF20255X6673M11 Replacement for Lennox X6673 MERV11, 20x25x5 - 2-Pack

$27.48 per Filter
Retail: $70.99
You Save: 23%
Ships in 1 to 2 business days.
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6 - 12 Months
Filter Life
6 - 12 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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Lennox X6673
FiltersFast FF20255X6673M11

The Lennox X6673 replacement MERV 11 HCF20-11 HCF20-16 air filter contains a 98% efficient filtration media that can capture particles as small as 0.3 microns before they collect on coils. This Lennox Pleated Filter Media is a high-efficiency alternative to one-inch filters that offers greater dust-holding ability.

Lennox X6673 Filter Specifications:

  • Part number: X6673, DLXX6673
  • Filter dimensions: 20" x25" x" 5" (actual size:19-3/4" x24-3/4" x4-3/8" )
  • MERV 11 Filter
  • Genuine OEM Part

The Lennox X6673 is compatible with select air cleaner model numbers listed below:

Trion Air Bear

  • 453000-001
  • 455602-001
  • 447380-002
  • Supreme 2000


  • MPKA
  • MACA
  • MPKA0020
  • EZXCAB020
  • FILCABCC0020


  • 1067
  • 1024
  • 1032
  • 1038
  • 2010
  • 2044
  • F25A1068
  • F100-1037
  • F150E-1034
  • F200E-1037

Don't forget your Spring and Fall maintenance! To find your local Lennox dealer, click here


Customer Reviews:

Total Reviews: 10 | Average Rating: 4.6 / 5.0

This filter keeps dust to a minimum,

Collected by

Well , it’s a filter. Fits my Lenox furnace perfectly. Gives me peace of mind

Collected by

Great filters and great value!

Collected by

What I wrote before. Look it up.

Collected by

Great filter. Came quickly.

Collected by

This is the same as the higher priced filters but for a lot less.

Collected by

It has been a fine product.

Collected by

The 5 inch filter is great to catch all the allergens in my house. Although I have a new HVAC unit of 2 years, replacing the filters every 6 months is necessary in FL.

Collected by

Excellent quality filters

Collected by

It's a big filter and works great.

Collected by