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You save $7.00
As of Sep 21, 2026, 22:50 UTC, Filterbuy 20x25x5 Air Filter MERV 13 Smoke & Allergy Defense (2-Pack) | Pleated HVAC AC Furnace Replacement for Honeywell FC100A1037, Lennox X6673 & More (Actual Size: 19.88 x 24.75 x 4.38) is $62.98 at Amazon, 10% below the $69.98 list price.
Lowest recorded: $62.98 · 6 price points tracked
This two-pack of pleated HVAC air filters carries a MERV 13 rating and targets smoke and allergy defense. The filters fit standard 20x25x5 housings and work as replacements for popular units like Honeywell FC100A1037 and Lennox X6673 models, with an actual size of 19.88 x 24.75 x 4.38 inches.
Before ordering, verify that these dimensions and the MERV 13 rating match your furnace or AC unit's requirements—check your current filter or your equipment's manual to confirm compatibility. Confirm the current price and availability on the retailer's site, because the price shown on this page reflects our last recorded check and may have changed.
You save $13.00
