The Neptronic SKS series of Steam to Steam humidifiers offers an innovative design and trouble-free operation. Chemical free steam is produced by using on-site boiler steam as a heat source. The wide modulation range, high capabilities and ease of servicing make it the most dependable and best humidifier on the market. The Neptronic SKS has an attractive and innovative design including a scale management system that simplifies the maintenance of scale management. The Neptronic SKS also uses a patented water level control called the AFEC® system which is energy efficient