Ballast Kit, Sodium/Halide, 400W, MV Conversion rock-bottom Simply switch back to your

Simply switch back to your 600W HPS lamp for flowering and fruit production

Glomus monosporum

No fillers

Dissipate heat with fan powered cooling

Ballast Kit, Sodium/Halide, 400W, MV Conversion rock-bottom Simply switch back to yourBallast 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