... .enviromental, no UV radiation 4.high brightle 18w t10 led fluorescent tube Specifications: Material: 1/2 alminum ,1/2 ... , no flickering,instant start,save energy Real replacement for conventional fluorescent tube,long lifetime No need for starter and ... mercury or hazardous materials 2 years guarantee Application: Replacement for coventional fluorescent tubes, Widely used for office/factories, hospital, ...