Philips Adv - Flourescent Ballast - 54W - 277 Volts - PHILIPS-ICN4S5490C2LSG

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Hps Grow light Luxx Lighting 1000W DE 208-277V HPS Lamp Growing Ballast Kit

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iPower 600 Watt Digital Dimmable Electronic Ballast for HPS MH Grow Light 2-Pack

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Advance 4-Bulb Residential Electronic Fluorescent Lighting Ballast REB-4P32-SC

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600w electronic ballast

$49.00

Horticulture 1000w Dimmable Digital Electronic Ballast for Hydroponic Quantum

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Galaxy Grow Amp 902220 400W/600W/1000W/Turbo Ballast Sunlight Supply

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Electronic Ballast Hydroponic 1000w for HPS or MH

$14.00

iPower 400W 600W 1000W Digital Dimmable Electronic Ballast for HPS MH Grow Light

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Vivosun 1000 Watt HPS/MH grow light kit Bundle Lights Ballast Timer & Hood NEW

$199.00