3U 18w energy saving lamps/CFLs/ESL/Low energy lightbulbs 8000 hours life 3U 18W energy saving lamps. cap type:B22,E27 ,Plastic casing: PBT,PC,PPwe have two standard. cheaper type:3000H, Price ranging:USD0.48-0.558000H Price ranging:USD0.72-0.85colour temperture:2700K,3500K,5000K,6500K15000K 3U 18w energy saving lamps