Reddit reviews Sunlite 03663-SU MH400/U/MOG M59 Metal Halide Lamp, 400 Watts, Mogul Base (E39), ED37, 12,000 Hour Life Span, 36000 Lumen, Clear Finish

METAL HALIDE - Sunlite high intensity discharge lamps are perfect for outdoor lighting and commercial interiors. These energy efficient HID lamps offer exceptional efficacy, great color rendition, have a long service life and excellent lumen maintenance.HIGH INTENSITY DISCHARGE - This 400 watt bulb puts out a bright 36000 lumens of light. Color temperature is 4000K. Clear glass bulb.MOGUL BASE - Larger mogul base (E39) for use in street lights, parking lot fixtures, perimeter lighting, and other commercial and industrial lighting applications. Bulb measurements 4.724 inches diameter, 10.9 inches tall.LONG LIFE - These probe start bulbs feature a long 12,000 hour average lifespan.ANSI CODE M59 - This metal halide bulb is for use in M59 ballast fixtures. Confirm ANSI Code to help determine the correct bulb for your fixture and the ballast it uses.