E-Z INSTALL REGISTER INTAKE UVWhen appropriate precautions are taken, UV C disinfection is a safe and non toxic alternative to more traditional chemical sanitizers. It can be used to sanitize surfaces and can be safely used in air and water filtration systems. Highly Effective Nasa Technology. UV C light is an extremely effective means of disinfection and sanitization. When directly exposed to UV C radiation, the genetic material of viruses and bacteria is compromised, preventing