Honeycomb filtration to trap mineral pollutants found in water and help prevent them from entering your home. Water Panels are the heart of your humidifier. It is the component that generates the important humidity to keep you comfortable during the heating season. For optimum performance, replace panel once every 6 months or more often in hard water areas. 

The American Standard Water Panel measures approximately 10"x13-1/4"x1-1/2".