Use Halide for growing and Sodium for flowering - all in the same system!

Hydrofarm convertible ballasts feature engineered transformers made to the exacting American National Standards Institute specifications. They are designed to drive either halide or sodium bulbs properly with separate wire leads. They are marked according to UL standards for use with either bulb. We pair this engineered unit with our heavy duty multi-pole switch for the ultimate in safety - the convertibles you can count on! Comes with an 8 year warranty - the longest in the industry.

Ballast Size: 11.5" (13.5" w/handle) x 7.5" x 8.5"

Part Number: 131384
Dimensional Weight: 43 lbs

You can configure a grow light system with any combination of ballasts, bulbs and reflectors we offer.