Venture magnetic high pressure sodium ballasts features vacuum Impregnation for cooler operation of optimized insulation system. UL Temp Codes equal to or better than the competition. User-Friendly Installation with color coded wires for ease of installation, a diagram on each ballast, Printed labels on the leads. Warranty - 5 years on ballasts when purchased as a lamp/ballast system and 2 years on individual ballasts. Manufactured by Venture in India.