Ultraviolet Water Sterilizer is an efficient and rapid method of water disinfection. If you have chlorinated municipal water supply, this is the easier and cheaper way to go. Unlike traditional disinfection methods (i.e. Chlorination), ultraviolet water sterilizer impacts no taste or odour, and without the use of heat or dangerous chemicals. It utilizes 254nm germicidal ultraviolet light, the light wave is able to kill the DNA of virus and bacteria and make it unable to reproduce. The result is the most simple, inexpensive, low operating cost and maximum efficiency way of treating your water!