The Innovative thermal friction heating system is designed to eliminate the need for a separate heater. The two-speed pump takes you from soft to deep tissue massage with the touch of a button. The factory installed ozone water care system keeps your spa water clear and reduces the amount of chemicals needed, allowing you to spend less time maintaining your spa and more time enjoying it. Equipped with plug-n-play technology, the LS450DX spa can be plugged into any standard 110v outlet. No additional wiring required! Lifesmart Spas are energy efficient, so there is no need to turn the temperature down while not in use. Full foam insulation and a locking thermal cover will keep the heat in and the electric bill low, so you can enjoy your new spa for years to come. Lifesmart Spas exceeds the stringent California Energy Commission mandates for hot tub energy consumption. Lifesmart™ Spas are rotationally molded for long term quality and reliability. With simple plug n play technology, many of our spas can easily be plugged into any standard 110v outlet. Our full foam insulation method ensures maximum heat retention and energy efficiency.