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Efficient two button operation
soft fruits
Successful calibration indicator is displayed on screen
Insert support if necessary
6400K lamp
Ballast Kit, Sodium/Halide, 400W, MV Conversion environmental-controllers Efficient two button operationBallast Kit, Sodium Halide, 400W Multi Volt Convertible Best choice for DIY grow room aficionados! Whether you are wiring your own first ballast setup or performing a complete overhaul of your existing equipment, this kit offers all you need, including the right capacitors and transformers. Rely on Hydrofarm for premium quality North American made ballast components. All parts are UL recognized. Ballasts include welded on brackets for easy replacement
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