Energy saving lighting bulb: 4U-13W 1)10,000HRS 2)UL,CE,GS,EMC,RoHS,ENERGY STAR,ERP,ISO 3)1,500,000pcs/month 4)OEM accdepted ... CFL 4U Energy saving lighting bulb: 4U-13W1)1,500,000 pcs/month2)Up to 10,000 hours lifetime3 ... /E40/B222700-650082520080001772328 Hangzhou Qianlong Electronic Co., Ltd CFL 4U Energy saving lighting bulb(4U-13W)