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Amazon Basics Merv 11 AC Furnace Air Filter - 20'' x 20'' x 1'', 6-Pack: Amazon.com: Tools & Home Improvement
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Great Value; 20x20x1; MERV 11 BETTER HVAC Air and Furnance Filter; Reduces Allergens; 4 Filters - Walmart.com
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20x20x1 MERV 11 ( MPR 1000 ) Air Filters for AC and Furnace. 12 Pack. (Actual Size: 19-1/2" x 19-1/2" x 7/8") - Walmart.com
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Housmile 20x20x1 Air Filter, MERV 11, MPR 1000, Unique ABS White Plastic Frame, Durable and Easy to Replace, Clean Living Basic Dust, 6 Pack (Exact Size: 19.6" x 19.6" x 0.9") - Amazon.com
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20X20X1 Pleated Filter Merv 11 – BestAir Furnace Filters, Humidifier Filters & Wicks and Compactor Trash Bags – Made in USA
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