Install a Serene Steam Spa into your shower enclosure.No Generator Required!Serene Steam produces a combination of therapeutic heat and a steam-filled environment infused with essential oils to create a calming spa in the sanctuary of your home shower enclosure. Capable of reaching environmental temperatures of approximately 100 degrees Fahrenheit+, depending on the size of your shower enclosure. (Please see specifications and recommended shower size). This worlds"™ only steam spa that doesn"™t require a generator, nor electricity.The heavily steamed environment and heat which occupies your shower enclosure during spa use is produced by the extra hot water vapor, which is derived directly from your water heater, and further enhanced with multiple events via the Serene Steam system to create our heated steam spa.RECOVER FROM DAILY STRESS!- BREATHE BETTER- SLEEP BETTER- FEEL BETTERIMPRESSIVE ALTERNATIVE to costly electrical generators.Multiple Patents "“ Made in U.S.A "“ IAPMO Certified.