SolarMax 400W Veg Conversion Lamps are manufactured specifically for horticultural applications in Germany by an ISO certified factory with over 40 years experience in HPS and MH lamp technology. For the highest quality and optimized performance, SolarMax grow lamps are designed with the grower in mind. For stronger, bigger, and healthier plants, use SolarMax!
Metal Halide lamps produce a full spectrum of light, making them ideal for all-purpose and vegetative growth in plants, and are used extensively where color rendering and compact growth is important. This lamp is a "conversion" bulb designed to work with a 1000 watt HPS ballast, but produces metal halide light.