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HDX 16 in. x 20 in. x 4 in. Honeywell Replacement Pleated Air Filter FPR 9, MERV 13 HDX-HW1620-13-3 - The Home Depot
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Filtrete 16-in W x 20-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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HDX 16 in. x 20 in. x 1 in. Standard Pleated Furnace Air Filter FPR 5, MERV 8 (3-Pack) HDX3P5-011620 - The Home Depot
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Amazon.com: No Toil Castle, One-Year HVAC Furnace Filter, 16” x 20” x 1”, black : Tools & Home Improvement
![Filtrete 16-in W x 20-in L x 1-in MERV 1 Basic Flat Air Filter (2-Pack) in the Air Filters department at Lowes.com Filtrete 16-in W x 20-in L x 1-in MERV 1 Basic Flat Air Filter (2-Pack) in the Air Filters department at Lowes.com](https://mobileimages.lowes.com/productimages/81f22de3-693b-44c0-aaa4-359078f5a363/65752964.jpg?size=pdhism)