... ,8000H , Pure tri-phosphor lamp tube ,90% actual power CE/RoHs Energy saving lamp 3u Specification:1.voltage and ... color powder T4 fluorescent tube ,4.lamp base:PBT 5.lamp holder available:E14,E26,E27,B22 6.color ... High luminous efficiency : 1 piece of energy saving lamp equal to 5 pieces of incandescent bulbs ,for ... bulbs ,for example ,1 x energy saving lamp's lifetime(8000H) = 8 x incandescent bulb ...