The market's most popular and best E-ballast has been improved. The Lumatek E-ballast is a performance leader. Powers both metal halide and high-pressure sodium lamps (except the 750W model, which only powers HPS lamps). Available in 250, 400, 600, Dual 600, 750, and 1000W as well as generator friendly 400 & 600W. Up to 20% more lumens, faster growth, bigger harvests. Generator ready. Unique graduated fin design for more efficient cooling. Completely pre-wired with popular BAREF lamp cord. 3 years full + 2 years warranty. Internal Resin coating protects components for long life. External breaker system protects against power surges. Completely silent - leave the humming and buzzing behind.
