Lumatek Air-Cooled Electronic Ballast 1000/600/400

Lumatek Professional Lighting Air Cooled 1000W Ballast
(I have two of these. Buy one for $200 or two for $360)
Runs 400W, 600W and 1000W MH/HPS Lamps
Whisper quiet fan
LED indicator
120V or 240V
Still under 3 Year Warranty!
(Approximately two years old)
Guaranteed to work if you supply the proper power (9 amps)
Link to the manufacturers website: http://www.lumatekballast.com/products/ballasts/lk1000ac/