Philips Master 3100K GreenPower Elite Agro CMH Lamp, 315 Watt, T-12

These Philips lamps feature superior color quality and very crisp white light. Incredibly high 1.95 PPF (photosynthetic photon flux) per watt per second light source. 3,100°K Green Power or 4,200°K color temperature lamps available. High 92 CRI, 33,000 initial lumens (105Lm/W). High 90% lumen maintenance at 8,000 hr/High 85% maintenance at 20,000 hr. Double glass jacketed lamp is rated for either open fixture use (without glass lens) or enclosed fixture use (with glass lens). Bi-pin lamp base is compatible with all Sun System® LEC® Brand Technology Fixtures.

• Incredibly high 1.95 PPF (photosynthetic photon flux) per watt per second light source
• 3100k Color Temperature, High 92 CRI, 33,000 Initial Lumens (105Lm/W). Run-Up Time 90% (Max) - 1.5 min
• High 90% lumen maintenance at 8,000 hr / High 85% PPF maintenance at 20,000 hr
• Design feature and benefit: provides a compact and efficient metal halide solution for the horticulture market
• Bulb must be used in a low frequency ballast !! The existing ANSI C182 LCD for the 315W lamp requires that lamps must be operated on a low-frequency square-wave (LFSW) ballast and the starting current limits are minimum 4.1 amps (RMS) and maximum 5.3 amps