Photo 1 of Aprilaire 12 Water Panel Humidifier Filter Replacement for Aprilaire Whole House Humidifier Models 112, 224, 225, 440, 445, 445A, 448 (Pack of 2)

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Photo 1 of Aprilaire 12 Water Panel Humidifier Filter Replacement for Aprilaire Whole House Humidifier Models 112, 224, 225, 440, 445, 445A, 448 (Pack of 2)Photo 2 of Aprilaire 12 Water Panel Humidifier Filter Replacement for Aprilaire Whole House Humidifier Models 112, 224, 225, 440, 445, 445A, 448 (Pack of 2)Photo 3 of Aprilaire 12 Water Panel Humidifier Filter Replacement for Aprilaire Whole House Humidifier Models 112, 224, 225, 440, 445, 445A, 448 (Pack of 2)