Philips master pl h single ended 4 pin 85w lamp in colour 830 or 840 complete with a 2g8 base this pl h lamps has the following benefits very high light output high energy efficiency push and turn 2g8 lamp holder and instant white light and hot restrike these pl h lamps are usually used in medium and high bay enviroments such as shops and shopping centres airport arrival an departure areas railway and bus stations