Now offered in three distinct models, the Pro Series combines the latest technology with ThermaSol durability, performance and efficiency to ensure a consistent steam shower experience every time. Each Pro Series model is crafted with the same industrial-grade stainless steel and lifetime warranty, plus performance-engineered to deliver constant steam at a constant rate, split-tank technology and state-of-the-art energy efficiency technology. Pro Series II and III offer the next level of sophistication with an advanced cleaning system. Pro Series III is the only model to feature the ultimate in smart steam temperature control.