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Amazon.com : TOPHORT 400 Watts Digital Dimmable Electronic Ballast for HPS MH Grow Light Bulb Lamp (400W, Blue) : Patio, Lawn & Garden
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Sylvania 47132 M400/MULTI-PS-KIT Magnetic Metal Halide Ballast Kit 400 Watt Pulse Start Multi-Tap 12 | Energy Avenue
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NEW Ultra Grow 400W ECO Magnetic Ballast UG-BA400 ECOS / HPS MH400W, Power Cable | eBay
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Sylvania Lumalux S51 400W HPS Magnetic Ballast LU400/SUPER5-KIT USED – governmenttransitsurplus.com
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Omega 400w Magnetic Ballast
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Plusrite 07230 - BAMH400-CWA/V4 7230 Metal Halide Ballast - Walmart.com
IceCap 400w Selectable Wattage Electronic Ballast | CoralVue
Sylvania 100300PS2516RP 120V 6/CS 1/SKU Incandescent PS25 Bulb Shape Three Way Inside Frost Finish 3 Contact Mogul Base 100Watt 200W 300W 120Volt 15845
GE Magnetic Ballast, High Intensity Discharge Magnetic Ballast, Multi-Volt 5 Ballast (1 Pack) - Incandescent Bulbs - Amazon.com
HID - Magnetic Ballast for HPS/Mh Lamp, HPS/Mh Ballast, 35-400W, 220V/50Hz - China Ballast and Magnetic Ballast
