Photo 1 of Filtrete 20x20x2 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4 Pack (Actual Size 19.5 x 19.5 x 1.75 in)

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Photo 1 of Filtrete 20x20x2 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4 Pack (Actual Size 19.5 x 19.5 x 1.75 in)
Photo 2 of Filtrete 20x20x2 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4 Pack (Actual Size 19.5 x 19.5 x 1.75 in)
Photo 3 of Filtrete 20x20x2 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4 Pack (Actual Size 19.5 x 19.5 x 1.75 in)