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.

Specifications:

• Watts: 315 W
• Lumens: 33 000
• Kelvin: 3100
• Unit Dimensions: 1.75" L x 7.5" W x 1.75" H
• Shipping Box Dimensions: 2.25" L x 9.0" W x 2.25" H
• Unit Weight: 0.44 lb
• Shipping Box Weight: 0.56 lb

 Spec Sheet