Photo 1 of Filtrete 20x20x4, AC Furnace Air Filter, MPR 1000 DP, Micro Allergen Defense Deep Pleat, 2-Pack (actual dimensions 19.88 x 19.88 x 4.31)

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Photo 1 of Filtrete 20x20x4, AC Furnace Air Filter, MPR 1000 DP, Micro Allergen Defense Deep Pleat, 2-Pack (actual dimensions 19.88 x 19.88 x 4.31)Photo 2 of Filtrete 20x20x4, AC Furnace Air Filter, MPR 1000 DP, Micro Allergen Defense Deep Pleat, 2-Pack (actual dimensions 19.88 x 19.88 x 4.31)Photo 3 of Filtrete 20x20x4, AC Furnace Air Filter, MPR 1000 DP, Micro Allergen Defense Deep Pleat, 2-Pack (actual dimensions 19.88 x 19.88 x 4.31)Photo 4 of Filtrete 20x20x4, AC Furnace Air Filter, MPR 1000 DP, Micro Allergen Defense Deep Pleat, 2-Pack (actual dimensions 19.88 x 19.88 x 4.31)