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| 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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