Aprilaire Water Panel #45 Humidifier Filter Pad
Fits furnace humidifier models 400, 400A, and 400M.
Requires annual replacement
2 per pack
Water Panel Evaporators are the heart of your humidifier and the component which generates the important humidity to keep you comfortable during the heating season. The water panel slides into the scale control insert and the water distribution tray sits across the top of the panel.