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Filtrete by 3M, Smart 12x24x1, MERV 12, Allergen, Bacteria & Virus HVAC Air and Furnace Filter, Captures Allergens, Bacteria, Viruses, 1500 MPR, 4 Filters - Walmart.com
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Filtrete Smart Air Filters add another layer of intelligence to your home HVAC system - The Gadgeteer
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Filtrete 20x20x1 Smart Furnace Filter, MPR 1500 MERV 12, 1-Inch Allergen, Bacteria and Virus Air Filters for ACs and Furnaces, 1 Filter, Power & Hand Tools - Amazon Canada
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