Lampedia OEM BULB with New Housing Projector Lamp for KNOLL HD177 / HD272 / HD282 / HD284-180 Day Warranty Part Number: SP-LAMP-006 OEM Equivalent Lamp with Generic Housing 180 Days Warranty Technology: DLP, Lamp Wattage: 250 Life Time (STD): 2000, Life Time (ECO): 3000