HID - ED28 - 175W Ordering Code: 63844 Specifications Wattage 175W Lumens 17000 Lumens Per Watt 97 Operating Temperature <329°F Bulb ED28 Base Mogul Extended (EX39) Finish Clear Life Hours 15,000 Warranty1 Year Downloads Spec Sheet 63844_TDS Literature METALHalide