400 Watt BT37 HID Protected Metal Halide Light Bulb, M59/O

Westinghouse (MP400/BU/M59/O) BT37 400 Watt Clear (4200K) EX39 (Extended Mogul) Base High Intensity Discharge HID Metal Halide Light Bulb 37022

Protected Metal Halide light bulbs feature high lumen output and excellent color performance. Ideal for use in a variety of commercial and industrial applications where color rendering is important. Protected metal halide bulbs, also known as open fixture rated bulbs, can be used in both open and enclosed metal halide fixtures.

This metal halide light bulb features an extended mogul base and requires ANSI ballast M59 for correct operation. Suitable for indoor and outdoor applications, and offers long life of 20,000 average rated hours.

Westinghouse offers a full range of metal halide light bulbs for a variety of applications. These light bulbs contain mercury. Dispose of bulbs according to local, state or federal laws.

Westinghouse is a trusted global brand. We know lighting and offer products with exceptional quality, reliability and functionality.

• Protected Metal Halide HID light bulb produces high light output
• Ideal for various commercial and industrial applications where color rendering is important

• Large retail areas
• Large area lighting
• Accent lighting
• Sports lighting
• Security lighting
• Parking garages

• 11-1/2 inches (L)

• Open rated - protected metal halide bulb can be used in both open and enclosed metal halide fixtures
• Requires specific ballast (ANSI M59) for correct operation
• Base up operating position
• Suitable for indoor use and outdoor applications when used in an outdoor rated fixture