The Honeywell H49B 1017 Humidistat is a cool/warm mist humidifier that comes in new old stock open box condition. It features a built-in humidistat that maintains the desired humidity level in the room. The brand Honeywell is known for producing high-quality indoor air quality and fans products. The model H49B 1017 is a reliable and efficient humidifier that can improve the air quality in your home.