Choose from a wide variety of 400 Watt High Pressure Sodium Light or (HPS) plant grow lights from Sunlight Supply. Sunlight Supply manufactures high quality complete, easy to install 400W HPS plant grow light systems. These 400 watt HPS lights come complete with Ballast, Reflector, lamp, socket & lamp cord & 8ft. grounded power cord. We carry 400 watt HPS grow lights with Sun System 1, Sun System Gro Pro or Sun System 10 Economy Ballasts.
  Choose from a wide variety of reflectors for your grow light including Super Sun, Sun Gro, Large Horizontal, Maximizer Aluminum and more.
  Each 400 watt High Pressure Sodium light and HPS lamps produce a red/orange spectrum that promotes fruiting, flowering and budding. Our HPS 400 flowering light system bulbs will speed up and increase plant growth during the fruiting and flowering stage. HPS lamps should be used as secondary or supplemental lighting (used in conjunction with natural sunlight). Special enhanced 400 watt HPS light bulbs, such as the Son Agro 430W HPS increase the blue spectrum by 30% making this lamp a great option. 400 watt HPS grow lights are also ideal for Greenhouse/Commercial growing application.
   Browse through our HPS 400 flowering light system selections on your right and place an order today!

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400w HPS Plant Grow Light Systems


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400HPSCB10

400W HPS Grow Light Cool Breeze Tube SS10 Ballast

339

301.99

400W HPS Grow Light Cool Breeze Tube SS10 Ballast

400hpskit-cb

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85

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901336

400 Watt HPS Plant Grow Light Agrotech Reflector SS10 Ballast

299

262

400 Watt HPS Plant Grow Light Agrotech Reflector SS10 Ballast

901336

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85

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900424

400W HPS Grow Light Super Sun 2 Reflector SS1 Ballast

429

399.99

400W HPS Grow Light Super Sun 2 Reflector SS1 Ballast

900424

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400HPSYLD10

400W HPS Grow Light Yieldmaster Reflector SS10 Ballast

299

284.99

400W HPS Grow Light Yieldmaster Reflector SS10 Ballast

400hpsyield10

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EL400KIT

400W Galaxy Electronic MH/HPS Grow Light Kit

379.99

329.99

400W Galaxy Electronic MH/HPS Grow Light Kit

plant-grow-mh-hps-kit-400

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400HPSLUM10

400W HPS Grow Light Lumen Max2 Reflector SS10 Ballast

369

319.99

400W HPS Grow Light Lumen Max2 Reflector SS10 Ballast

400hpslum10

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400HPSCB1

400W HPS Grow Light Cool Breeze Tube Reflector SS1 Ballast

379

354.99

400W HPS Grow Light Cool Breeze Tube Reflector SS1 Ballast

400hpskit-cb1

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901342

400W HPS Grow Light Econowing Reflector SS10 Ballast

279

249.99

400W HPS Grow Light Econowing Reflector SS10 Ballast

901342

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901343

400 Watt HPS Plant Grow Light Sun Tube Reflector SS10 Ballast

379

354.99

400 Watt HPS Plant Grow Light Sun Tube Reflector SS10 Ballast

901343

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900422

400W HPS Grow Light Cool Sun Air Cooled Reflector SS1 Ballast

429

394.99

400W HPS Grow Light Cool Sun Air Cooled Reflector SS1 Ballast

904150-901925

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900426

400 Watt HPS Plant Grow Light Lumen Max Reflector SS1 Ballast

399

374.99

400 Watt HPS Plant Grow Light Lumen Max Reflector SS1 Ballast

900426

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85

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400HPSYLD1

400W HPS Grow Light Yieldmaster Reflector SS1 Ballast

369

334.99

400W HPS Grow Light Yieldmaster Reflector SS1 Ballast

400hpsyield1




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