20x25x5 MERV 11 Furnace Filter Compatible with Honeywell FC100A1037 - X6673 Lennox (19-7/8 x 24-7/8 x 4-3/8), Case of 3 - AC, HVAC Filter Captures Dust, Pollen, Mould Spores & Smoke - Made in Canada
Canadian Company

United Filter

20x25x5 MERV 11 Furnace Filter Compatible with Honeywell FC100A1037 - X6673 Lennox (19-7/8 x 24-7/8 x 4-3/8), Case of 3 - AC, HVAC Filter Captures Dust, Pollen, Mould Spores & Smoke - Made in Canada

Canadian Company: United Filter is a Canadian company. This does not by itself mean the product is manufactured in Canada.

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Canadian company — manufactured abroad

Verification Pending · last checked 2026-11-10

Canadian-owned

The 20x25x5 MERV 11 Furnace Filter Compatible with Honeywell FC100A1037 - X6673 Lennox (19-7/8 x 24-7/8 x 4-3/8), Case of 3 - AC, HVAC Filter Captures Dust, Pollen, Mould Spores & Smoke - Made in Canada by United Filter is listed on Mapleo, available from Amazon.ca.

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