... Pressure Sodium ( HPS ) Bulb Specs400w, 600w, 1000w = 53,000, 86,000 , 140,000 Lumens RespectivelyCompatibility: Strikes both magnetic and digital ballasts ( ... Bulb Specs 400w, 600w, 1000w = 36,000, 61,000 , 110,000 Lumens RespectivelyCompatibility: Strikes both magnetic and digital ballast (ANSI Code: M47 ... units so that we may send you a replacement Ballast 250W Digital Electronic HPS/MH light bulb