The #440 Humidifier Water Panel is a compatible replacement water pad for your Aprilaire humidifier. This water pad helps to bring humidified air into your home. The dimensions of this Aprilaire water panel filter replacement measures approximately 11 1/2" x 14 3/4" x 1 5/8".
The 440 Humidifier Water Panel is compatible with the following Aprilaire Models: 112, 136, 224, 440 445, 445A, and 448.
