... glass diffuser,Aluminium base 2.T8 series:1/2x18w,36w,58w 3.With Mag./Ele. ballast or LED ... "1x18w,1x36w,2x36w,1x58w, 2x58w"and T5 SERIES.2.Material: Aluminium alloy base and temepered glass ... in it.Energy saving and assembling more easily.5. Improving the gooder effective of waterproof by using ... strong development capability.11.Certificate:12.Packing list: Energy saving lamp T8 SERIES:1x18w to 2x58w