Rectorseal Lighting Technologies S400ML5AC4M500K Magnetic Core and Coil Ballast, High Pressure Sodium, 400W, 120-277V
Features: HID ballast For use with HID lamps Wattage: 465 W UL Listed, CSA Certified Pre-wired capacitor and ignitor to speed and simplify installation
Product details: Manufacturer : Rectorseal Lighting Technologies Product Dimensions : 4.5 x 4 x 5 inches; 4 Ounces