Sylvania - Bulb MH 400w - Britelux
The Sylvania Britelux MH 400W Metallic Iodide bulb is ideal for the growth phase of your plant.
The high proportion of blue in the color spectrum emitted by the MH lamp provides a white-blue light, like that found in the spring.
Power: 400 Watts
Light output: 41,000 lumens
Life time: 18,000 hours