... ,21W,28W,35W2, Body Material- Aluminum Body A)0.35mm thickness white paint aluminum or shiny aluminum B)0.6mm thickness shiny aluminum3 ... /cool white/daylight)3100-3400 6,Nano Film on the Aluminum Reflector Some models can match big or small nano anti ... -oxidation film on the aluminum reflector, improve more light efficacy. Product Feature 1, Energy saving ...