This Philips lamp features 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 color temperature lamp. High 92 CRI, 33,000 initial lumens (105Lm/W). High 90% lumens 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.Technical Specifications:
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