The Tomax CMH 630W is available as a complete set The ballast is fully enclosed and has no cooling fan as it emits extremely little heat when operating, allowing for safe and easy installation in close proximity to your lamp, which in turn reduces the amount of electromagnetic interference reaching the ballast and significantly extends life and its effectiveness. The set is easy to install, using two bolts. Efficiency after 5000 hours of operation - >95% Sealed (Class I) . Professional wiring The set includes: Par-Gro 315W CMH 4200K grow lamp Par-Gro 315W CMH 3100K flowering lamp Tomax 630W CMH 240V - reflector with ballast
