United Filter
16x20x1 MERV 11 Furnace Filter (Case of 12) – (15-1/2 x 19-1/2 x 3/4) Protective Air Filter for Clean, Healthy Air - Efficient, Home Climate Control HVAC Filters - Replacement House Air Filters
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 16x20x1 MERV 11 Furnace Filter (Case of 12) – (15-1/2 x 19-1/2 x 3/4) Protective Air Filter for Clean, Healthy Air - Efficient, Home Climate Control HVAC Filters - Replacement House Air Filters by United Filter is listed on Mapleo, available from Amazon.ca.
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