20w cfl ballast: 1.long life:8000-10000hrs, 2.high luminous flux, 3.certification:CE,ISO9001,ROHS 4.OEM availab 20w cfl ballastFeatures:1.100% tri-color2.saving 80% energy than incandescent bulbs3.packing: color box, blister box, foam box4.OEM or SKD is acceptable5.Low heat emission6.Optional Housing: PBT7.Average Life:6000/8000/10000hrs8.Color rendering index:809.Power factor: 0.5-0.6/09-0.9510. ...