
United Filter
20x20x5 Compatible with Honeywell MERV 11 Furnace Filter (19-5/8 x 19-13/16 x 4-3/8), Case of 3 – A/C, HVAC Furnace Air Filter to Capture Dust, Pollen, Mould & 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
The 20x20x5 Compatible with Honeywell MERV 11 Furnace Filter (19-5/8 x 19-13/16 x 4-3/8), Case of 3 – A/C, HVAC Furnace Air Filter to Capture Dust, Pollen, Mould & Smoke – Made in Canada by United Filter is listed on Mapleo, available from Amazon.ca.
Reports are reviewed by Mapleo staff before any listing changes. This preview uses demonstration data — it is not real-world verified information.