Hydrofarm Powerhouse 400 Watt Magnetic MH Ballast, 120/240 Volt

The Powerhouse is packed with features which make it the most advanced electromagnetic HID ballast on the market. With its durable all-aluminum exterior construction and its offset high/low component orientation, it runs quieter and cooler than any other ballast we have ever made. Cool components mean higher performance and longer life, which we guarantee with an 8 year warranty.

• Coolest running

• Ultra-quiet with ISO-mount silencer

• Rugged and durable

• Dual voltage

• North American brand components

• Every unit factory tested

• 8 year warranty on ballast electrical components

• U.S. patent D546,282

• Air coolable with optional flange kit & fan

• Compatible with all reflectors offered by Hydrofarm & most others

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