Our UV Sterilizer adopts stainless steel as the material of the main   body. It is equipped with an ultraviolet sterilizer lamp, which is a kind of   high performance and low pressure mercury lamp. And   it work effective in destroying bacteria, viruses, and protozoa. UV Sterilizer   does not alter the taste or the chemistry of the food. Ultraviolet light   kills microorganisms by damaging their DNA, UV radiation disrupts the   chemical bonds that hold the atoms of DNA together in the microorganism.   Exposure to UV light helps ensure complete kill-off of all microorganisms.