SUGGESTED ALTERNATES: 

M400/C/U/ED28 400 Watt M59/E Metal Halide Bulb

SUGGESTED LED REPLACEMENTS: 

100 Watt EX39 Base Gen4 100-277V LED Retrofit Light Bulb

63/80/100 Watt HID Replacement EX39 Mogul Base LED Lamp

63/80/100W Power and Color Selectable HID Replacement Bulb EX39 3000/4000/5000K

100 Watt 100-277 Volt LED HID Corn Cob EX39 Base Retrofit Lamp

80/100/110 Watt Wattage and Color Selectable LED Post Top Retrofit with EX39 Mogul Base 120-277V 3000/4000/5000K

110 Watt 120-277V 180 Degree Beam Shoe Box LED HID Retrofit with Smart Port

Metal Halide Cross Reference:
Venture MH 400W/C/U
Philips MH400/C/U
GE MVR400/C/U
Sylvania M400/C/U/ED37
Eiko MH400/C/U

SYLVANIA branded products have signified lighting innovation for almost a century. Innovation, quality and dependability are why the SYLVANIA brand name is the name you can trust. The complete line of SYLVANIA products deliver unparalleled levels of performance to any modern lighting application. SYLVANIA is the leader in energy-saving H.I.D. Lamps. Sylvania metal halide light bulbs offer high efficacy, excellent color rendition, long service life and good lumen maintenance. Because of their numerous advantages, metal halide HID bulbs are used extensively in outdoor applications and in commercial interiors.

Attention: Due to the physical size and fragility of this lamp, we are able to ship this product via Federal Express Ground or Air only. Sorry, no U.S. Postal Service shipments will be accepted. Thank you for your understanding.

These Sylvania Metalarc M400/C/U/ED37 (64037) have a 3700K Color Temperature and a 65 CRI. These 400W Metal Halide light bulbs operate in the Universal Burn position and are intended primarily for use in enclosed luminaires. BUT - when operated within 15 degrees of vertical, this lamp may be operated in an open luminaire, provided the installation is not near people or flammable or combustible material, otherwise it must be operated in a suitably enclosed luminaire. The Initial Lumens are 36,000, Mean Lumens 22,500 and a rated average life of 20,000 Hours when burned in the Vertical (V) position. ANSI Type M59/E. These Sylvania 400 Watt Metal Halide Enclosed Rated Lamps employ an E39 Mogul Base and are designed with an ED37 bulb.

Specification Sheet