With the Ozone Multi-Function Machine/400MG HR, you can naturally kill pathogens with ozone to make your food safe! This active oxygen disinfection machine uses low temperature plasma technology to ionize gas molecules, thereby producing high concentrations of ozone. Ozone, approved as a disinfectant by the USDA in 2001, acts as an efficient, rapid, broad-spectrum antibacterial, antiviral, and antimicrobial agent. It is lightweight, coming in at only 6 pounds, and is easy to use! And with prices like this, you'll be saving money on the product and while saving time by preventing potential sick days!