This is a budget 40 watt energy saving pl l compact fluorescent lamp with 4 pin base2g11 this lamp is supplied in colour 840 cool white what is this lamp commonly known as ge 40w biax l osram 40w dulux l sylvania 40w lynx l philips 40w master pl l other long single turn tc l please note these lamps should be replaced like for like if you have a 40w lamp in your fitting it must be replaced with a 40w lamp you cannot reduce or increase th