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Filtrete 20x20x1, AC Furnace Air Filter, MPR 300, Clean Living Basic Dust, 6-Pack (exact dimensions 19.69 x 19.69 x 0.81) - Walmart.com
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Filtrete 14-in W x 30-in L x 1-in 1085 MPR Allergen Defense Extra 2-Pack Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com
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Filtrete 16-in W x 25-in L x 5-in 1550 MPR Allergen, Bacteria and Virus Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com
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