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HDX 20 in. x 20 in. x 1 in. Standard Pleated Furnace Air Filter FPR 5, MERV 8 (3-Pack) HDX3P5-012020 - The Home Depot
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Amazon.com: 20x25x1 Air Filter Comparable to MPR 100 Basic Economy Furnace Filters, 12 Pack of Non Pleated Fiberglass Filter For Dust - Low Airflow Restriction! From AIRX FILTERS WICKED CLEAN AIR. : Everything Else
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Filtrete 20x25x1 Air Filter, MPR 1200 MERV 11, Allergen Plus Odor Reduction, 4 Filters - Walmart.com
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Filtrete 20-in W x 25-in L x 1-in MERV 5 Basic Pleated Air Filter (3-Pack) in the Air Filters department at Lowes.com
Filtrete™ Allergen Bacteria & Virus Furnace AC Air Filter 1500 MPR, 1 pk / 10x20x1 in - Pay Less Super Markets
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