A budget 13 watt 2 turn 2 loops pl c energy saving compact fluorescent lamp this lamp has a 2 pin base g24d 1 this lamp is supplied in colour 840 what is this lamp commonly known as ge 13w biax d osram 13w dulux d sylvania 13w lynx d philips 13w master pl c other double turn tc d please note these lamps should be replaced like for like if you have a 13w lamp in your fitting it must be replaced with a 13w lamp you cannot reduce or increase the wattage