Osram parathom cl b 15 25 w730 e14 the osram parathom cl b 15 25 w730 e14 has a very low energy consumption 25w and has an exceptionally long life up to 25 000 hours the lamp is a simple direct replacement for conventional incadescent bulbs areas of application for the lamp include general illuminations domestic applications and chandeliers the lamp is robust against vibrations and does not emit a uv or near ir radiation in the light beam the lamp is mercury free so can