A budget 18 watt 2 turn 2 loops pl c energy saving compact fluorescent lamp this lamp has a 2 pin base g24d 2 this lamp is supplied in colour 840 what is this lamp commonly known as ge 18w biax d osram 18w dulux d sylvania 18w lynx d philips 18w master pl c other double turn tc d please note these lamps should be replaced like for like if you have a 18w lamp in your fitting it must be replaced with a 18w lamp you cannot reduce or increase the wattage