Photo 1 of (see Notes) Filtrete 16x20x4 Furnace Air Filter (exact dimensions 15.68 x 19.68 x 3.81) 2 Count (Pack of 1)

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Photo 1 of (see Notes) Filtrete 16x20x4 Furnace Air Filter (exact dimensions 15.68 x 19.68 x 3.81) 2 Count (Pack of 1) Photo 2 of (see Notes) Filtrete 16x20x4 Furnace Air Filter (exact dimensions 15.68 x 19.68 x 3.81) 2 Count (Pack of 1) Photo 3 of (see Notes) Filtrete 16x20x4 Furnace Air Filter (exact dimensions 15.68 x 19.68 x 3.81) 2 Count (Pack of 1)