


20x20x5 (4 3/8) Honeywell/Lennox Replacement Furnace Filters MERV 13 Plus Carbon
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
20x20x5 (4 3/8) Honeywell/Lennox Replacement Furnace Filters MERV 13 Plus CarbonActual Size: 19 5 8 x 19 7 8 x 4 3 8 (19. 63 x 19. 88 x 4. 38) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, smog, virus carriers, mold spores, help eliminate unwanted odors and other contaminants. Replaces Honeywell 20x20x4 and filters with an MPR rating with an actual depth of 4 3 8 and ideal for superior filtration and odor control Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant
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Your 20x20x5 (4 3/8) Honeywell/Lennox Replacement Furnace Filters MERV 13 Plus Carbon orders ship within 1-2 business days.
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- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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★★★★★ 5
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Color: 3 Panels Natural, Size: 3 Panels
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Reviewed in the United States on May 14, 2026
★★★★★ 5
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Reviewed in the United States on February 9, 2026
★★★★★ 5
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Color: 6 Panels Black, Size: 6 Panels
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Reviewed in the United States on January 30, 2026
★★★★★ 3
Looks great but not that sturdy
Color: 6 Panels Black, Size: 6 Panels
These are very nice they look really pretty. The only thing is they seem a bit flounder than they look online. I definitely feel like you have to be careful with somebody they don’t break.
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Reviewed in the United States on January 15, 2026
★★★★★ 5
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Reviewed in the United States on May 17, 2026