DB1-1818-8-12 18 In. x 18 In. x 1 In. MERV 8 Furnace Filter

DB1-1220-8-12 12 In. x 20 In. x 1 In. MERV 8 Furnace Filter

Amazon Basics Merv 5 AC Furnace Air Filter 20x20x1 inches, Pack of 6 (Actual

DB1-2020-8-12 20 In x 20 In x 1 In MERV 8 Furnace Filter

DB1-1520-8-12 15 In. x 20 In. x 1 In. MERV 8 Furnace Filter

DB1-1020-8-12 10 In. x 20 In. x 1 In. MERV 8 Furnace Filter

DB1-1620-8-12 16 In. x 20 In. x 1 In. MERV 8 Furnace Filter

DB1-1420-8-12 14 In. x 20 In. x 1 In. MERV 8 Furnace Filter