Aqueous ozone is a scientifically proven product that uses the air we breathe, electricity and water to make a powerful solution to combat your previous chemicals. Aqueous ozone has been tested and approved for use by FDA, EPA, USDA and OSHA! Completely neutral pH, so will not affect skin conditions. No more re-ordering multiple chemicals for a complicated wash cycle. Built to meet World Health Organization standards to achieve bacteria killing. Saves the life of the linen by not using harsh caustic chemicals to wash. Indicator light to signal water is running/filling the machine. Utilizes air dryers that are serviceable.