... to 80% energy saving 2)Excellent color rendering T3 full spiral energy saving lamps1)High luminous effciency, Up to 80% ... energy saving2)Excellent color renderingT3 full spiral energy saving lampsPower(W):11W,13W,15W,20WDiameter:T3(9mm ... appliances4)High lighting efficiency,high lumens manitenance,high color rendering index,low lights recession. It is the ideal green lighting ...