Ultra Sun Super HPS Bulb 400 Watt

Ultra Sun high-output, full spectrum lamps are ideal for plant growth, especially for growing fruits, vegetables, flowers and herbs, Ultra Sun lamps are engineered specifically for horticultural applications. Their spectrum and output rival lamps that are three times the price and the lamps feature robust construction for superior reliability. One year warranty against manufacturer defects. This is the 400 Watt bulb with initial lumen output of 50,000 lumens with a rated bulb life of 24,000 hours.