Osram dulux te he 17 w840 gr14q 1 4008321290557 this is the osram dulux te he 17 w840 the average lamp life is 20 000 hours and most often used in shops hotels amp restaurants offices and public buildings and also in industrial lighting the lamp is very economical has a long service life and excellent luminous flux at high and low ambient temperatures the lamp is dimmable on a scales 3100 except d te 11 w he base gr14q 1 dimensions for the product are