Energy saving lighting bulb: 4U-13W 1)10,000HRS 2)UL,CE,GS, ... ,500,000pcs/month 4)OEM accdepted CFL 4U Energy saving lighting bulb: 4U-13W1)1,500,000 pcs/month2)Up ... Lumen (lm)Life(h)Φ(mm)D(mm)L(mm)4U-9W110/240E27/B222700-6500825208000947964U-11W110/240E27/B222700-65008264080009471054U-13W110/240E27 ... /B222700-650082520080001772328 Hangzhou Qianlong Electronic Co., Ltd CFL 4U Energy saving lighting bulb ...