350 Watt Metal Halide Bulb Pulse Start Mogul Base M131/E ED28

This lamp is rated for ENCLOSED fixtures If the lamp will be totally enclosed within a UL-listed fixture, then this enclosed rated lamp is acceptable. If the lamp will be exposed during usage, an open-rated lamp must be used. Please see our open rated lamps. Product Details: Manufacturer: Sylvania/HowardBase Type: MOGUL MOL (in): 8.31Type: ED28ANSI: M131/EWattage: 350 watts MH Lumens: 36,500Color Temp: 4200 K Burn Position: Base UpLight Bulb Life (hours): 15,000 V / 11,250 HCase Size: 12