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Sun System Gro Pro 1000 Watt Metal Halide Ballast $175.0 Lumatek SS Electronic Ballast 1000 Watt-120 $318.95 Harvest Pro Elite 1000 Watt HPS Ballast $189.95 Digital Ballast 400 w 120V HPS 400 watt lumatek $159.9 LUMATEK 600 WATT DUEL HPS/MH 240V E- BALLAST $364.95 Lumatek 1000 watt Electronic Ballast MH HPS Grow Light $299.98 Digital Ballast 400 w 120V HPS 400 watt lumatek $159.9 1000 watt HPS ballast, bulb and hood new $325.0 Sun System Gro Pro Dual 600 Watt HPS Ballast $275.95 GROW LIGHT UNIVERSAL BALLAST 1000W 1000 WATT MH + HPS $179.0 GROW LIGHT SET GALAXY BALLAST W/NEW BULB HPS & MH $199.3 Harvest Pro Elite 1000 Watt MH Ballast $189.95 Lumatek SS Electronic Ballast 1000 Watt-240 $318.95 Lumatek SS Electronic Ballast Dual 600 W-240 $381.95 1000 watt MH metal halide Sun System ballast $100.0 1000 watt MH metal halide ballast Sun System 10 $90.0     Next Page >>