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Lennox X6670 MERV 11 Pleated Filter Media-16x25x5
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Filterbuy 16x25x5 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters for Honeywell FC100A1029, Lennox X6670, Carrier, Bryant, & More (Actual Size: 15.75 x 24.75 x 4.38) - Amazon.com
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Lennox X6670 | Filters | FurnacePartSource.com
AIRx 16x25x5HW-LX-ODOR 2pk | Air Filters | DiscountFilters.com