The Yield Lab MH 400 lamps provide an ideal spectrum for proper vegetative growth. The bulb emits an intense blue light for fast plant growth.
Warranty: 1 Year
Power: 400 watts (High efficiency)
Expected Life Span: 10,000 hours
Lumen: 36,000 lumens
Color Temperature: 5,500K
Contains blue spectrum which is best for vegetation
High lumen output efficiency
Best choice for propagation
Fit for all standard 400 watt HPS grow light systems
Pass UL and CE
VERY satisfied with product works well delivery was very good as well, Will order from growace again
For the price it works fine fast shipping
You Guys make it easy to get a spare light bulb....
You Guys made it easy to get a spare back-up bulb....