- Genuine Aprilaire humidifier replacement part
- Made in Madison, WI, USA
- Ensures that the right amount of humidity is delivered into your home
- Controls how much moisture enters your humidifier, making it possible to maintain proper humidity levels throughout your home
- Compatible with all Aprilaire humidifiers except for commercial units and residential models 800, 330, 445, 110, 112, 350 and 360
