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Amazon.com: YOOLUX 400W HPS Bulb (HIGH Pressure Sodium) for Indoor Plant,High PAR Promote Red and Orange Spectrums Flower Bulbs CCT 2100K, Supper Bright 56,000 Lumens. Grow Light Bulb Lamp(2-Pack) : Patio, Lawn
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Amazon.com : Advance 71A8453001D - 400 Watt - High Pressure Sodium Ballast - ANSI S51/M164 - 5 Tap - Power Factor 98% - Max. Temp. Rating 221 Deg. F. - Includes Dry
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Amazon.com: VIVOSUN 1-Pack 400 Watt High Pressure Sodium HPS Grow Light Bulb Lamp - High PAR Enhanced Red and Orange Spectrums CCT 2100K, Ultra Bright 55,000 Lumens : Everything Else
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Amazon.com: VIVOSUN 1-Pack 400 Watt High Pressure Sodium HPS Grow Light Bulb Lamp - High PAR Enhanced Red and Orange Spectrums CCT 2100K, Ultra Bright 55,000 Lumens : Everything Else
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Amazon.com : Plantmax PX-LU400 High Pressure Sodium Lamp, 400-watt : Plant Growing Light Bulbs : Patio, Lawn & Garden
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Amazon.com: iGrowtek 4 Pack 400W MH Grow Light Bulb,CCT 6000K, 400 Watt Metal Halide Grow Lamp,HID Grow Bulb : Patio, Lawn & Garden
PLATINUM 400w / MOGUL High Pressure Sodium bulb - Halogen Bulbs - Amazon.com
