... we may send you a replacement.High Pressure Sodium ( HPS ) Bulb Specs400w, 600w, 1000w = 53,000, 86,000 , 140,000 Lumens RespectivelyCompatibility ... Specs 400w, 600w, 1000w = 36,000, 61,000 , 110,000 Lumens RespectivelyCompatibility: Strikes both magnetic and digital ballast (ANSI Code: M47)Color ... so that we may send you a replacement Kunpeng electric ballast hps 600w digital hps ballast