These high output- full spectrum lamps are ideal for plant growth- especially for growing fruits- vegetables- flowers and herbs. They are engineered specifically for horticultural applications. Ultra Sun lamps feature robust construction for superior reliability. We now offer a full line of Ultra Sun brand lamps including HPS- MH- Conversion lamps- and Dual Arc Tube HPS/MH 1000 watt lamps. Excellent quality lamps at an economical price. One year warranty.