<img src="http://www.bwgs.com/jpg/etl-ul/UL_CUS.png"width=70 alt="Underwriter Laboratories Canada - U.S. certification logo"title="Underwriter Laboratories tests this product to ensure compliance with American and Canadian national safety standards"><br /> The HORTILUX® Gold Series Electronic Ballast was designed by experts in lamp-ballast compatibility. The Gold Series ballast operates lamps with a high-frequency sine wave design. This allows for a reliable power supply at a competitive cost. Completely sealed, the Gold Series is protected from dirt and moisture found in most grow rooms. Gold Series electronic ballasts provide consistent, stable power allowing the lamp to produce high intensity and a quality spectrum. The Gold Series will operate HORTILUX® lamps as well as all other lamp brands. Features include a long-range igniter, soft start technology and silent operation. The Gold Series is generator- and flip-box-ready and is UL-listed. Carries a three-year warranty.