Photo 1 of 20 in. x 20 in. x 5 in. Honeywell/Lennox Replacement Furnace Air Filter MERV 12 (1-Pack)

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Photo 1 of 20 in. x 20 in. x 5 in. Honeywell/Lennox Replacement Furnace Air Filter MERV 12 (1-Pack)Photo 2 of 20 in. x 20 in. x 5 in. Honeywell/Lennox Replacement Furnace Air Filter MERV 12 (1-Pack)Photo 3 of 20 in. x 20 in. x 5 in. Honeywell/Lennox Replacement Furnace Air Filter MERV 12 (1-Pack)