400 Watt - T15 - Metal Halide - Tubular Envelope - Unprotected Arc Tube - 36,000 Lumens - 90 Lumens per Watt - 4000K - ANSI M59/E - Universal Burn - MH 400W/U/T15 - PLT 9220416
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SUper bright, and an exceptional value!
These bulbs are great! We use them in non-agricultural applications, and they stand up to the abuse we subject them to. We used to pay four times as much for bulbs which weren't as bright. I heartily recommend these!
September 16, 2011