... 3.enviromental, no UV radiation 4.high brightle 18w t10 led fluorescent tube 1.2 years warranty 2.saving>50% energy ... 3.enviromental, no UV radiation 4.high brightle 18w t10 led fluorescent tube Specifications: Material: 1/2 alminum ,1/2 light ... or hazardous materials 2 years guarantee Application: Replacement for coventional fluorescent tubes, Widely used for office/factories, hospital, shopping mall ...