The Yield Lab MH 400 lamps provide an ideal spectrum for proper vegetative growth. The bulb emits an intense blue light for fast and strong plant growth.

Specifications: 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
• Fit for all standard 400 watt HPS grow light systems
• Passes UL and CE