Philips Master CDM Lamp 315w Elite Agro 3100K Full Spectrum
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Superior color quality. Crisp white light. Very High 1.95 PPF per second light source. 3,100K or 4,200K color temperature, High 92cri, 33,000 initial lumens (105Lm/W). High 90% lumen maintenance at 8,000 hr/High 85% PPF maintenance at 20,000 hr. Unique Open Rated Lamp construction reduces radiant heat from the arc tube and is suitable for open fixture use.