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

• 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

• 4.42 Amps

Ballast Size: 3-1/2"H x 6"W x 13-1/2"L