TOPHORT 1000W Digital Dimmable Electronic Ballast for 1000 Watts HPS MH Grow Light Bulb Lamp (1000W, Purple)
TOPHORT
Phantom PHB2010 Digital Ballast, Black
Hydrofarm
Plantmax EnergyStation 1,000 Watt Double-Ended PRO Ballast 240V / 277V with Dimmable Ballast
Plantmax
iPower 1000W Ballast, Digital Dimmable Electronic Horticulture Ballast, Suit for Hydroponic HPS MH Grow Light System, Black
iPower