ViaVoltTM 4' Red Spectrum HO T5 Fluorescent bulb, 2700 Kelvin
These high quality ViaVoltTM T5 High output lamps are excellent for all indoor gardening applications. The ViaVoltTM T5 Ho fluorescent lamps are very efficient because a greater portion of the power is converted to usable light and a smaller portion is converted to heat allowing the ViaVoltTM T5 HO bulbs to boast a 5,000 lumen output and a 2700 Kelvin rating.