SYLVANIA 64359 150 Watt T7.5 Metalarc Powerball 3000K G12 Base MC150T7.5/G12/U/830 Pulse Start - Metal Halide - Unprotected Arc Tube ANSI M102/M142/E - Universal Burn The advanced arc tube design of the SYLVANIA METALARC 64359 T7.5 pulse start metal halide lamp makes it superior to standard metal halide probe start lamps. Initial lumen output levels are similar to standard lamps, but mean and maintained lumen levels can be up to 30 percent higher. The 150-watt bulb is rated for a 15,000-hour life and has a color temperature of 3000K. Brand SYLVANIA MPN (Part No.) 64359 UPC 046135643590 Order Code MC150T7.5/G12/U/830 Lighting Technology Metal Halide ANSI Code M102/M142/E Family Metalarc Powerball Bulb Shape T7.5 CRI Standard CRI Bulb Color Clear Color Temperature 3000 Kelvin Life Hours 15,000 Wattage 150 Watt Fixture Type Enclosed Only Lumens 15,500 Base Type G12 Burn Position Universal Start Method Pulse Start Length 4.13 in. Diameter 0.91 in.