Horti Gear 400w Magnetic Ballast class leading magnetic ballast Theses fixed power magnetic ballasts are thee leader of the pack when it comes to power and stability. Without a ballast to regulate voltage, compact fluorescent lights and high-intensity discharge (HID) lights uncontrollably draws so much current from a high-voltage source all at once that they will often overheat and burn out within seconds. Magnetic ballasts have been around for years and b..
£69.95
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