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Products > HID > Metal Halide Top Products   Halogen HID   Metal Halide High Pressure Sodium Xenon Incandescent CFL LED Specialty News Corporate Contact     Customer Service: (800) 211-5483 Metal Halide Lamp - Protected Pulse Start Pulse Start Metal Halide lamps utilize an arc tube with much higher fill pressure than standard Metal Halide lamps. This reduces the tungsten evaporation from the electrodes and reduces the darkening of the lamp envelope, which provides better lumen maintenence, longer lamp life, and better color stability as compared to standard Metal Halide lamps. Standard Protected Pulse Start Pulse Start Protected Double Ended HQI type Colored Metal Halide Metal Halide Pulse Start Protected Medium Base Watt Bulb Code ANSI Description Base CRI MOL Life(hr) Initial Lumen Mean Lumen Color Temp Bulb Finish 175 EDX17 20406 M137/O MP175/MED/PS E26 70 5.44 15,000 17,500 14,000 4200 Clear 200 EDX17 20407 - MP200/MED/PS E26 70 5.44 15,000 14,000 9,300 4200 Clear Metal Halide Pulse Start Protected Mogul Base Watt Bulb Code ANSI Description Base CRI MOL Life(hr) Initial Lumen Mean Lumen Color Temp Bulb Finish 175 BT28P 20427 M137/O MP175/MOG/PS EX39 70 8.31 15,000 17,500 14,000 4200 Clear 250 BT28P 20428 M138/O MP250/MOG/PS EX39 70 8.31 15,000 23,800 19,000 4200 Clear 320 BT28P 20429 M132/O MP320/MOG/PS EX39 70 8.31 20,000 32,300 25,800 4200 Clear 350 BT37P 20430 M131/O MP350/MOG/PS EX39 70 8.31 20,000 33,400 26,700 4200 Clear 400 BT37P 20431 M135/O MP400/MOG/PS EX39 70 8.31 20,000 42,000 33,600 4200 Clear   Copyright © 2011 Green Energy Lighting Corp. All Rights Reserved.