BIONAIRE PERMANENT FILTER HUMI Didital Programmable Humidistat Maintains Precise Humidity Level, 4 Comfort Settings Set your desired humidity level and the humidifier will run on the setting you 16 Hour On/OFF Timer, Dishwasher Safe Base Simple to clean, dishwasher safe tray for easy maintenance. Engineered with a patented new airflow system designed, to be quieter than traditional cool mist humidifiers.