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.
Ballast Size: 3-1/8"H x 4+1/4"W x 20"L