The ULV Cold Fogger Machine / Nano Mist Sprayer | Atomizer is a disinfecting/sanitizing solution for many types of applications. They work by dispersing fine mist containing the disinfecting/sanitizing solution to eliminate viruses/bacteria in the air and contact surfaces. When purchased together with our Pure™ Antimicrobial Concentrate that is an alcohol-free hospital-grade disinfectant and Made in USA, it effectively rids odour, mould and mildew as well as eliminating 99.9% of bacteria and viruses that are invisible to the naked eye. Our Pure™ Antimicrobial Concentrate Disinfectant is listed under list of household disinfectants/cleaning products by the National Environment Agency(NEA) of Singapore effective against coronaviruses(Eg: COVID-19) and is EPA(USA) registered disinfectant.