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SYLVANIA 64525 - 400 Watt - BT37 - METALARC - Pulse Start - Metal Halide - Unprotected Arc Tube - 4000K - Mogul Base - ANSI M155/E or M135/S or M135/E -
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Sylvania M400/U Metalarc 400W H.I.D Clear Metal Halide Lamp BT37 - High Intensity Discharge Bulbs - Amazon.com
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Sylvania Metalarc Metal Halide Lamp, Ed37, 400 Watt, 135 Volts, E39 Mogul, Clear, Universal Burn - Walmart.com
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SYLVANIA 64188 - 400 Watt - BT28 - METALARC - Pulse Start - Metal Halide - Unprotected Arc Tube - 4000K - ANSI M155/E - Universal Burn - M400/PS/U/BT28 - - Amazon.com
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SYLVANIA 400W Compact METALARC HID Lamp, E39 Mogul Base, 32,000 Lumens, 65 CRI, 4000K Clear - 1 Pack (64034) - - Amazon.com
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SYLVANIA 64445 - 400 Watt - BT37 - SUPER METALARC - Metal Halide - Unprotected Arc Tube - 4200K - ANSI M59/E - Horizontal Burn - MS400/HOR - - Amazon.com
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