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Dimmable 600W 120/240v HPS/MH E-Ballast - Generator Ready 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
- DON'T FORGET THE S TO H ADAPTER FOR USE WITH A HYDROFARM CORD SET . #220
- 3 years full + 2 years warranty
- Internal Resin coating protects components for long life
- External breaker system protects against power surges
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