... & RohS HID Ballast MH Ballast/HPS Ballast/HPM Ballast 70-1000W delta 70, tw 130 Copper/Aluminum Ballast, Magnetic Ballast, Magnetic ... , High Pressure Sodium Ballast, High Pressure Mercury Ballast, Electromagnetic BallastQYY 70-1000WMetal Halide Ballast: 70W, 100W, 150W, 250W, 400W, 1000WHigh ... both copper wire and aluminum wire is available.- Delta T 70 degree or lower.- Tw 130 degree or higher.- With ...