The Nortec Humidity 2585376 RH2+ DuctQDV Steam Humidifier is an advanced humidity control device designed to add moisture to the air within HVAC duct systems. It works by generating clean steam and distributing it directly into the airflow, helping maintain precise indoor humidity levels. Commonly used with commercial air handlers, ventilation systems, and building HVAC equipment, thi... https://www.partshnc.com/2585376-nortec-humidity-rh2-ductqdv10hr-1202401ph