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Sylvania 400W 4200K BT37 Horizontal Metal Halide Bulb

Sylvania M400U/BT37 clear Horizontal Metal Halide Bulb

• 400 watt BT37 clear bulb with mogul base
• Operates on M59 ballast
• Operating position: ±15° Horizontal
• Fixture Rating: Enclosed
• Inital Lumens: 39,000
• 4200° Kelvin - 65 CRI
• Average rated life (hrs): 20,000H
• 1-year lamp warranty

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