... OEM accepted Energy Saving Lamp Half Spiral Series --------- - Specification Wattage Available5w,7w,9W,11W,13W,18W,23W,26W ,30W,35WDiameter of Tube7mm,9mm&12mmRending IndexRa ... ,ISO9001:2000 Energy Saving Lamp Full Spiral Series --------- - Specification Wattage Available5w,7w,9W,11W,13W,18W,23W,26W,30w&32WDiameter of Tube7mm,9mm&12mmRending IndexRa ...