... /18W/20W/23W/26W/30W /36W Half Spiral Energy Saving Lamp high power saving,long lifetime,nice shade,good quality CE ROHS 15W/18W/20W ... /23W/26W/30W /36W Half Spiral Energy Saving Lamp specificationVoltage:110-130 ... : ≥82life hours: ≥3000H,6000H,8000H Tube Diametre:9mm/12mm 15W/18W/20W/23W/26W/30W /36W Half Spiral Energy Saving Lamp