Advance 4-Bulb Residential Electronic Fluorescent Lighting Ballast REB-4P32-SC

$17.03

Electronic Ballast For MH&HPS Lamp MH&HPS1-400EB

$29.99

1000W HPS Grow Light System Kit Cool Tube w/Bulb and Digital Ballast SunSystems

$120.00

iPower 600 Watt Digital Dimmable Electronic Ballast for HPS MH Grow Light 2-Pack

$196.99

Ballast B Lite 600W Grow MH HPS Electronic Ballast Open Box See Description

$74.95

Vivosun 600 Watt Dimmable Ballast Grow Equipment New In Open Box

$25.00

600w electronic ballast

$49.00

Philips Adv - Flourescent Ballast - 54W - 277 Volts - PHILIPS-ICN4S5490C2LSG

$43.56

Hps Grow light Luxx Lighting 1000W DE 208-277V HPS Lamp Growing Ballast Kit

$200.00

Phantom CMh Reflector/Ballast II Bulb 315w Complete Lighting Grow Kit+3100K Set

$170.99