Professional Super HPS 400W Grow Light Bulbs

• - Professional-grade 400 Watts Super High Pressure Sodium Grow Light Bulbs, E18 Bulb Type, E39 Mogul Base. Compatible with ANSI Code S51 Choke Ballast or Electronic Ballast for corresponding wattage HPS lamp.
• - THE DESIGN EDGE:   Optimized growth light PAR (Photosynthetic Active Radiation) spectrum and flux output made with Expluxs GrowMaster Active PIA Technology.
• - SOLID ENDURANCE:   Enhanced PAR maintenance and lower early failure rate made with Expluxs GrowMaster Advanced Getter Technology to reach 28,000 hours of reliable service lifetime.
• - SUPERIOR PERFORMANCES:   700 umol/s High PPF (Photosynthetic Photo Flux) Value, 60,000 Lumens Output, and 88% PPF Maintenance at 10,000 Hours.
• - COMMERCIAL-GRADE SOLIDITY:   Professional Design (+) Strong Performance (+) Solid Reliability, covered by 1-Year unlimited warranty.