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iPower 400W Digital Dimmable Electronic Ballast, HPS MH Grow Light for Horticulture and Hydroponics, 1 Pair Adjustable Rope Included, Black
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HTG Supply eGrow 400w HPS Grow Light Kit | Complete Digital Ballast, HPS Bulb, and Fixture System
iPower GLBULBH400X2 400 Watt High Pressure Sodium Super Grow Light Lamp Full Spectrum HPS Bulb for Plants, 400W, white
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iPower GLSETX400DHMWING20 Horticulture 400 Watt HPS MH Digital Dimmable Ballast Grow Light System Kits Wing Reflector Hood Set, 400W
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Vegelumax 400W HPS Super Grow Light Bulb,High PAR Enhanced Red and Orange Spectrum,CCT 2100K,Ultra Bright 55,000 Lumens,E39 Base,1pack
PROTOPIA HPS Grow Light Bulb Lights HPS400WT46 400 Watt High Pressure Sodium Growing Lights 2000K, 56000Lumens, High PAR Enhanced Red and Orange Spectrumsfor Indoor Plants, a Classic Choice.1-Pack