United Filter
United Filter Compatible GeneralAire #4501 20x25x5 MERV 11 Furnace Air Filter (Case of 3) with Foam Gaskets - HVAC Filters Captures Pollen
Canadian Company: United Filter is a Canadian company. This does not by itself mean the product is manufactured in Canada.
Amazon.ca – Mould, Bacteria & Smoke - Made in Canada
$130Confirm availability at the retailer
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Canadian company — manufactured abroad
Verification Pending · last checked 2026-11-10
The United Filter Compatible GeneralAire #4501 20x25x5 MERV 11 Furnace Air Filter (Case of 3) with Foam Gaskets - HVAC Filters Captures Pollen by United Filter is listed on Mapleo, available from Amazon.ca – Mould, Bacteria & Smoke - Made in Canada.
Reports are reviewed by Mapleo staff before any listing changes. This preview uses demonstration data — it is not real-world verified information.