Xtrasun 1000W 120/240V HPS/MH Convertible Ballast
Xtrasun 1000W 120/240V HPS/MH Convertible Ballast at HorticultureSource.com -
An Xtrasun convertible ballast means extra flexibility for your gardening. Use halide for growing, then once plants have started, switch to sodium bulbs for flowering. Features Convert from sodium to halide and back Dual voltage Works with Hydrofarm reflectors and most others Aluminum fins for more cooling surface 120V/208V/240V capable CSA certified   NOTE: Ballast no longer has 277V wire taps. BAC100MT does have these wire taps, however it still comes wired to 120/240V.