E39 Base MH bulb compatible with electronic and magnetic ballasts
Metal Halide Light Spectrum Stimulates Vegetative Growth
Color Temp: 4200 Kelvin, Engineered for plant vegetative growth
Expected Bulb Life: 10,000 Hours Improved Lamp Life and Lumen Output
Regulation: USA Federal Standard 21 CFR 1040.30 + Canada Standard S OR/80-381