Variable power output digital grow light ballasts from Maxibright and Sunmaster. A variable digital ballast offers the grower the ability to set the grow light power output for the most cost effective power consumption for age of plant or temperature within the growing area.
The Sunmaster Hobby 600w Ballast offers the gardener the flexibility to power 250W-600W HPS and Metal Halide lamps with just one ballast....More
The Maxibright Digilight Pro Select 1000w Digital grow light Ballast, gives you 6 power modes (400,440,600,660,1000,1100 Watt! ) for flex...More