Your steam generator is the most important component of your steam shower. Protect your investment with AutoFlush. AutoFlush� is a Mr Steam exclusive product. It's an automatic self-cleaning system that promotes a long, healthy life for steam generators by automatically flushing the generator of sediment two hours after every steam bath. We automate everything in the background, so no work is needed after every steam shower session. AutoFlush� assures that you get clean steam every time. Mr Steam CT81500 Features: Mr Steam CT81500 Specifications: