... 2. tube manufacturer 3. High quality 4.lifetime: 8000H 2U SKD cfl bulbs 1.Tri-color lighting tube, high luminous efficiency ... : house, hotel, office, factory, supermarket, and restaurant Goods 2U CFL SKD Quality ALifespan 8000HLabel Watt9 WReal watt 7WGlass tube 12mmLighting effect ... )65W172592*92*35048*48*37big 4U(2700K/6500K)85W1725 2U SKD cfl bulbs