Pulse Start - Metal Halide - Unprotected Arc Tube - 4000K - Mogul Base - ANSI M152/E or M137/E - Base Up Burn - MS 175W/BU/PS
This ED28 pulse start metal halide lamp operates at 175 watts. It has an unprotected arc tube, color temperature of 4000K, and an average life of 15,000 hours.