Osram Powerstar HQI-E 250W/D Pro E40 Frosted Daylight at low prices! Take advantage of Osram quality with important discounts on large quantities! Rapid shipping, do not hesitate to contact us! Presentation Osram POWERSTAR HQI-E are high pressure discharge bulbs offering very high performances. Thanks to the quartz burner, they furnish a high intense light. With their E40 holder, lamps will perfectly adapt in all fixtures. Bulbs glass is frosted. With a lifetime of 9000 on average, the Osram Powerstar HQI-E 250W/D Pro E40 Frosted Daylight allow to make energy savings of 30% compared to normal lamps. Emitted light is daylight, 5300K. The color-rendering index is by the way excellent, superior to 90Ra. Application excellent, superieur 90Ra. Application Osram The Osram Powerstar HQI-E 250W/D Pro E40 Frosted Daylight lamps are mainly used in large areas in need of powerful lighting, like fairs, exhibitions, saloons, galleries, workshops or factories. In outdoors, they will perfectly light streets, pedestrian areas, parks and gardens. Warning! These lamps function on ballast and need to be installed in closed fixtures.