When it's time to revamp old industrial
greenhouse lights, consider the light source. T5HO fluorescent tubes are more
energy efficient than other types of fluorescent lamps.. They provide
exceptional light and can last as long as 20,000 hours. They also contain less
mercury, making them more environmentally friendly. This 2 foot, 2-lamp T5 grow
light fixture features a high efficiency Philips Advance electronic ballast and
formed steel housing. It includes a 91 percent white aluminum reflector for
more focused light.