... Halide Ballast, High Pressure Sodium Ballast, High Pressure Mercury Ballast, Magnetic Ballast, Electromagnetic BallastQYE 70-1000WMetal Halide Ballast: 70W, 100W, ... higher.- Shape: Enclosed style with an special molded iron box.- Color for the ballast box: Red, Blue, White, Silver, etc. ... - Low power consumption and providing long service life.- Low magnetic leckage and low temperature raise. Enclosed ...