... HPS ) Bulb Specs400w, 600w, 1000w = 53,000, 86,000 , 140,000 Lumens RespectivelyCompatibility: Strikes both magnetic and digital ballasts ( ... Shape: Varies across different wattagesBulb Life: 24,000 hours, 90% Lumen MaintenanceAdded extra stabilizers and reinforced ... ) Bulb Specs 400w, 600w, 1000w = 36,000, 61,000 , 110,000 Lumens RespectivelyCompatibility: Strikes both magnetic and digital ballast ( ...