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.