The Lifesmart Ozone Purification System works by adding ozone to the spa water to disinfect naturally. The Ozone system can be ordered with any new Lifesmart Rock Solid Spa and will be factory installed. For existing Lifesmart spas the installation time is less then ten minutes. This ozone system will purify your water cut chemical usage by 75% and cut water changes in half. Enjoy naturally clean spa water today with the Lifesmart Ozone Purification System for all Rock Solid Spas