... plastic pieces flame retardant role. 4: Pure three colors. energy saving lamp T2 SPIRALspecification:5W,7W,9W,11W,13W,15W,18W,20wVoltage ... luminous flux radiated with 20% power used by incandescent lamp.good color rendering property and comfortable rays.wide operating voltage ... and environment friendly.we have hundreds of modle for the energy saving lamp holder, material is PBT,PP,ABS, the color will ...