JH-H001 Ballast 1.Suitable for High-pressure Sodium Sodium Lamp,Metal Halide ... and High-pressure Mercury Lamp. 2.50w-1000w JH-H001 Ballast Magnetic ballast, capacitor, ignitor for high pressure sodium lamp, metal halide ... lamp & mercury lamp 70W-2000WMagnetic ballast for HID lampFor HS:(high-pressure sodium) discharge lamp MH ...