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PRO-SOURCE - Pleated Air Filter: 20 x 30 x 2″, MERV 8, 30 to 35% Efficiency, Wire-Backed Pleated - 15164445 - MSC Industrial Supply
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Filtrete 20-in W x 30-in L x 1-in MERV 1 Basic Flat Air Filter (2-Pack) in the Air Filters department at Lowes.com
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PRO-SOURCE - Pleated Air Filter: 20 x 30 x 2″, MERV 10, 55% Efficiency, Wire-Backed Pleated - 33743741 - MSC Industrial Supply
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Global Industrial™ Pleated Air Filter, 20 X 30 X 2", MERV 8, Standard Capacity, Wire Backed - Pkg Qty 12
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Nordic Pure 20 in. x 30 in. x 2 in. Allergen Pleated MERV 12 Air Filter (3-Pack) 20x30x2M12-3 - The Home Depot
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