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Sylvania LU400/ECO 400w Lumalux High Pressure Sodium Light Bulb – BulbAmerica
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Plantmax 400 Watt High Pressure Sodium Grow Lamp | PX-LU400 | Bulbs.com
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Radium 400 Watt Mogul Base 20,000 K Lamp
Plantmax PX-MS400/7200/T 400 Watt Metal Halide Grow Lamp 7200K BT62 — LightStoreUSA
SYLVANIA 400 watt MH Metal Halide Lamps- FROSTED- mogul base M59 | eBay
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iPower 400 Watt Vegetative Metal Halide MH Conversion Grow Light Bulb Lamp High PAR Enhanced Blue and Violet Spectrums CCT 6000K, 400W, glass - Walmart.com
Plusrite 400 Watt Aquarium Lamp
Orein 400-Watt Equivalent ED37 Corn Cobb HID LED Light Bulb Daylight (1-Bulb) A837A400NDX3901 - The Home Depot
