Growers Choice GC315W4K01 315 Watt CMH Bulb, 4,200K

The Grower’s Choice 315w CMH/LEC Lamps are suitable for use in all standard 315w CMH/LEC fixtures. Grower’s Choice 315w CMH/LEC Lamps use a proprietary phosphor coating on the outside of the arc tube to provide you with the richest spectrum on the market.

• Contains precision gasses for enhanced spectral output
• Generates much less heat than HPS and MH
• More closely matches sunlight than ANY other lighting solution available
• Growers report tighter inter-nodal spacing and better yields on flowering plants

Features:

• For use in any 315w CMH/LEC fixture
• Produces more PAR per watt than standard Metal Halide
• Richest spectrum on the market
• CRI of 97 makes this lamp the closest solution to sunlight available
• Promotes extremely tight internodal spacing, leading to more flowering sites and a fuller canopy
• Offers significant improvement in spectral quality over standard Metal Halide

Performance Data:

• Light output (Lumens @ 100 Hours): 33,000
• Lumens per Watt (lm/w): 110
• Rated life (Hours @ 10 Hour / start): 15,000
• Correlated Color Temperature (K): 4,200
• Color Rendering Index (CRI) or (Ra): ?98
• Photon flux (?mol/s): 540
• Burning Position: U