- Genuine AprilAire Replacement Filter: This water panel assembly replacement was designed and made in the USA by AprilAire to fit Whole-House Humidifier Models 500, 500A, and 500M
- All-in-One Kit: No mess. No cleanup. Just fast, simple replacement of the water panel assembly to keep your AprilAire Whole-House Humidifier working like new.
- Healthy Humidity: By replacing the water panel assembly in your humidifier, you can enjoy the benefits of optimal humidity levels, including lower incidence of respiratory infections, minimized formation of bacteria and viruses, and preservation of household items susceptible to dry conditions
- Perfect Fit: The water panel in this assembly measures 10" H x 9.75" L x 1.75" W for AprilAire Whole-House Humidifier Models 500, 500A, and 500M
11.35H x 2.88W x 10.7D (inches)
- Compatible Models: 500, 500A, 500M