

Hero image 0 of Lennox Healthy Climate 20x25x5 x6673 MERV 11 Box Filter, 0 of 4
Lennox Healthy Climate 20x25x5 x6673 MERV 11 Box Filter
Key item features
- Compatible Replacements: Replacement for HCXF20-10, HCF20-10, EXPXXFIL0020, EXPXXUNV0020, EXPXXLMC0020, FILCCCAR0020, FC35A1027, FC100A1037, FC200E1037, F35Expandapac
- Filter Dimensions: Measures 20"x25"x5" for easy installation in compatible systems
- High Efficiency: MERV 11 rating effectively captures dust, pollen, pet dander, and other particles as small as 0.3 microns
- Electrostatic Charge: Electrostatically charged to enhance particle capture and improve indoor air quality
- Synthetic Media: Made with synthetic media that allows air to pass through easily while trapping contaminants
- UL 900 Standards: Constructed to meet UL 900 standards for air filter performance and safety
- Versatile Use: Suitable for use in Lennox and Honeywell systems, ensuring broad compatibility
Generated by AI
Specs
- Air filter size20 x 25 x 5
- Minimum efficiency reporting values (merv)11
- Contaminants removedDust, Pollen, Pet Dander
- FeaturesPleated
- Thickness5"
- MaterialAluminum
Current price is USD$44.95
Price when purchased online
- Free shipping
Free 30-day returns
How do you want your item?
Columbus, 43215
Arrives by Thu, Feb 5
|Sold and shipped by Top Rated Seller.|Pro Seller
4.381484933209071 stars out of 5, based on 3220 seller reviews(4.4)3220 seller reviews
Free 30-day returns
Other sellers
$43.99
Shipping, arrives by Mon, Feb 9 to Columbus, 43215
Sold and shipped by HXWL-US
Free 30-day returns
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About this item
Product details
Help your home breathe better with the Lennox X6673 MERV 11 Furnace Filter (20"x25"x5"). It's easy to install and made with high-quality materials for reliability. This Lennox furnace filter is electrostatically charged to grab onto dust, pollen, pet dander and other particles as tiny as 0.3 microns. The synthetic media helps air pass through unhindered and is made to UL 900 standards.
- Replacement for HCXF20-10, HCF20-10
- 20X25X5 MERV 11 Replacement for Lennox X6673
- Replacement for EXPXXFIL0020, EXPXXUNV0020, EXPXXLMC0020, FILCCCAR0020
- X6673 Replacement Filter for Lennox and Honeywell
- Replace ment for FC35A1027, FC100A1037, FC200E1037, F35Expandapac
info:
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Specifications
Air filter size
20 x 25 x 5
Minimum efficiency reporting values (merv)
11
Contaminants removed
Dust, Pollen, Pet Dander
Brand
Lennox
Warranty
Warranty information
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Customer ratings & reviews
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Showing 1-3 of 20 reviews
Oct 6, 2025
WonderMom
5 out of 5 stars review
Verified Purchase
Great filter, fit perfect
i not only would recommend this filter. but I wish be buying another one in 6 months. it was very fast delivery. it increased the air flow. we sleep better at night knowing my sons allergies are being filtered.
Incentivized Review
Helpful?1SAIO0BOM4TC761307240
Sep 30, 2025
Warren
5 out of 5 stars review
Verified Purchase
Lennox MERV 11 Box filter fits well.
It fits into the system well. I was most concerned about that when I ordered it. No problem on install. Filter material appears to be of appropriate rated fabric/material. I'll monitor that over time.,
Incentivized Review
Helpful?1SAIO0BOM4TC761307240
Oct 17, 2025
anonymous
5 out of 5 stars review
Verified Purchase
Perfect fit
This is exact fit original Lenox filter fast shipping
Incentivized Review
Helpful?1SAIO0BOM4TC761307240
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