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Amazon.com: 16" X 16" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - HVAC Duct Cover - Flat Stamped Face - White [Outer Dimensions: 18 5/8" X 18 5/8"] : Tools & Home Improvement
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Filtrete 16-in W x 16-in L x 1-in MERV 5 Basic Pleated Air Filter in the Air Filters department at Lowes.com
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Nordic Pure 16 in. x 16 in. x 2 in. Allergen Pleated MERV 12 Air Filter (3-Pack) 16x16x2M12-3 - The Home Depot
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Filtrete 16-in W x 16-in L x 1-in MERV 5 Basic Pleated Air Filter in the Air Filters department at Lowes.com
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HDX 16 in. x 16 in. x 1 in. Standard Pleated Furnace Air Filter FPR 5, MERV 8 (3-Pack) HDX3P5-011616 - The Home Depot
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Honeywell Home 16 x 25 x 4 Pleated Furnace Air Filter FPR 8, MERV 8 (2-Pack) CF408F1625/E - The Home Depot
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Filtrete MPR 1000 16 x 24 x 1 Micro Allergen Defense HVAC Air Filter, Guaranteed Airflow up to 90 days, 6-Pack - Walmart.com
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