As one of the industry's most technologically advanced and robust steam generators, the PRO Series has reset expectations for achieving modern wellness at home. 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. Series II and III offer the next level of sophistication with an advanced cleaning system.