Best Furnace Filter For Lennox In September 2026

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To help you choose the Best Furnace Filter For Lennox, we’ve put together this comprehensive guide. We have tried to cover as much variety as possible. Hope you will find it helpful!

To help you in your search, we have completed this list of the Best Furnace Filter For Lennox.

Top Rated Best Furnace Filter For Lennox Of 2026

Rank	Product Name	Score
1	X6673 Lennox 20x25x5 Merv 11 Filter Media 2 Pack Buy Now	9.7 Buy Now
2	Nordic Pure 16x25x5 Honeywell Replacement AC Furnace Air Filters MERV 12, Box of Buy Now	9.5 Buy Now
3	Lennox X6675 MERV 16 Media Air Cleaner, 1 Filter Buy Now	9.1 Buy Now
4	Lennox Carbon Coated X6672 Healthy Climate MERV 16 Filter (2 Pack) Buy Now	8.8 Buy Now
5	FilterBuy 16x25x5 Honeywell FC200E1029 Compatible Pleated AC Furnace Air Filters Buy Now	8.6 Buy Now
6	Lennox Corporation X7935 20X20X5 MERV 16 FILTER Buy Now	8.3 Buy Now
7	Lennox X6673 MERV 11 Filter Media (5 Pack) Buy Now	8.1 Buy Now
8	Lennox X0445 Air Cleaner Filter Media - (2 Pack) Buy Now	7.8 Buy Now

1. X6673 Lennox 20x25x5 Merv 11 Filter Media 2 Pack

• Nominal size: 20" x 25" x 5"
• Actual size: 19-3/4" x 24-3/4" x 4-3/8"
• 2 filters
• Manufactured by lennox
• Merv 11

2. Nordic Pure 16x25x5 Honeywell Replacement AC Furnace Air Filters MERV 12, Box of

• Nominal size: 16-inch by 25-inch by 5-inch
• Replacements for honeywell f100f1012, fc100a1026, fc100a1029, fc100c1009 and fc200e1029
• Merv 12 filter media to help reduce pollen, pet dander, dust, mold and more
• Actual size: 15-3/4-inch by 24-3/4-inch by 4-3/8-inch
• Nordic pure brand replacements for honeywell units

3. Lennox X6675 MERV 16 Media Air Cleaner, 1 Filter

• The hcf20-16 carbon clean 16 combines industry leading merv 16 filtration with an odor removing, coconut activated and carbon coated fiber matrix.
• Provides whole home filtration for optimal home comfort and air quality, with no additional energy costs
• Replaces honeywell fc35a1027, fc100a1037, fc200e1037
• Lennox x6675 healthy climate hcf20-16 carbon clean replacement filter, merv16 25"x20"x 5"
• #1 rated professionally installed, whole home hc16 filtration system* is now the carbon clean 16

4. Lennox Carbon Coated X6672 Healthy Climate MERV 16 Filter (2 Pack)

• Hypoallergenic and antimicrobial pleated electrostatic filter material
• Merv 16 rating
• 2 pack of consumer reports #1 rated filter
• Lennox hcxf16-16, hcf16-16, hcf16-10 , honeywell fc35a1001, fc100a1029, fc200e1029 , carrier/bryant expxxfil0016, expxxunv0016, expxxlmc0016, filcccar0016

5. FilterBuy 16x25x5 Honeywell FC200E1029 Compatible Pleated AC Furnace Air Filters

• Also replaces air kontrol dust patroller part #dpp51624, bryant filbbcar0016, filxxcar0016, filxxcar0016, carrier carf8250606, expxxfil0016, expxxlmc0016, expxxunv0016, filcccar0016, filxxcar0016, filxxcar0016, filxxcar0016, filxxcar0116, cmf1625, p102-1625, day and night macpak16, lennox x0583, x6670, hcf16-10, and payne macpak16.
• Designed to last up to 6 months. ideal for residential and commercial use. filter frames are made of beverage board, which stays strong through humidity and temperatures up to 200 f. synthetic media provides significantly higher particulate efficiency than standard cotton media.
• Designed to replace honeywell filter part #s 203719, fc35a1001, fc100a1026, fc100a1029, fc100c1009, fc200e1011, fc200e1029. fits air cleaner model #s f25, f35 & f35r, f100 & f150, as well as fc200.
• Filterbuy 16x25x5 merv 8 whole house air filter replacement (pack of 4 filters). actual size 15 7/8 x 24 3/4 x 4 3/8. manufactured by filterbuy in the usa using 100% american made components.
• Merv 8 afb silver. say goodbye to dust, debris, lint, pollen, and pet dander. say hello to better indoor air quality!

6. Lennox Corporation X7935 20X20X5 MERV 16 FILTER

• Merv 16 microglass filter
• For use in hcc14-23 air cleaner
• High capacity replacement filter

7. Lennox X6673 MERV 11 Filter Media (5 Pack)

• Compatible model: replacement air filters for your lennox healthy climate hc11 air purifiers
• Best use: for best results, replace filter every 6 months
• Actual size: measures 19-3/4 inches long, 24-3/4 inches wide, and 4-3/8 inches high
• Specifications: model number: hcf20-10, part number: x6673
• Keeps air clean: rated at merv 11 efficiency for optimal air quality and filters out and captures dust, pollen, pet dander, and other particles as small as 0.3 microns

8. Lennox X0445 Air Cleaner Filter Media - (2 Pack)

• Captures particles down to 0.3 micron
• Needs to be replaced every 12 months
• Nominal size: 25" x 20" x 6"
• Merv 10