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Filtrete 16-in W x 20-in L x 1-in MERV 14 2500 Smart Premium Allergen and Ultrafine Particle Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com
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Filtrete 16x20x1 Air Filter, MPR 1000, MERV 11, Micro Allergen Defense 3-Month Pleated 1-Inch Air Filters, 2 Filters - Replacement Furnace Filters - Amazon.com
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Filtrete 16-in W x 20-in L x 1-in MERV 5 Basic Pleated Air Filter (3-Pack) in the Air Filters department at Lowes.com
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Filtrete by 3M 16x20x1, MERV 11, Allergen Plus Odor Reduction HVAC Furnace Air Filter, 1200 MPR, 4 Filters | Bigbigmart.com
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