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3M Filtrete 20x20x1 Air Filter MERV 11, 4 Pack
3M Filtrete 20x20x1 Air Filter MERV 11, 4 Pack
Regular price
$79.63 USD
Regular price
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$79.63 USD
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SKU: 9802Cx4
UPC: 051141915289
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Rating: 4.8/5
Sold Past Month: 5000
Ranked: #5 in Furnace Filters
Last Updated: September 15, 2026
The 3M Filtrete 20x20x1 Air Filter, with a MERV 11 rating and MPR 1000, efficiently captures allergens and pet dander for cleaner indoor air. Designed for both AC and furnace systems, these filters offer reliable airflow for up to 3 months. Each pack includes four filters at actual size 19.68 x 19.68 x 0.81 inches. Great for households seeking improved air quality and allergy relief. Suitable for residential HVAC systems.
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