M Series™ spas combine  intuitive functionality, gorgeous aesthetics, and the most versatile layouts ever seen in portable spas, together with Bullfrog Spas ^® ’  legendary JetPak Therapy System™, to create the most elite spa experience available today. Enjoy JetPaks in all premium seat locations, Simplicity™ water care, multi-functional controls throughout the spa, smart sensor technology, and layouts designed to be enjoyed in a variety of positions by people of various sizes and body types.