It’s the "H2O e3 Natural Cleaning System" (https://h2oe3.com) that uses salt...water...and electrolysis. It’s an ‘add-on’ to the "H2O Mop" from Thane Direct. Thane spokesman Beau Rials says it kills 99 percent of certain germs, viruses, and bacteria…utilizing "lab-proven cleaning technology that sanitizes as well as breaks down and neutralizes odors in seconds."