Crystal ceiling lamp T8 transparent/opal,PS/PMMA diffuser Iron board Conventional industrical lamp ... .7cm(LxWxH)Another watt of "1x18w,2x18w,2x36w,1x58w,2x58w,3x18w,4x18w,3x36w,4x36w,1x49w,2x49w,1x54w,2x54w"2.Diffuser Material ... .With the goodest price in the market. Crystal ceiling lamp T8