Sun System® LEC® Brand 315 Watt Light Fixtures utilize cutting edge Light Emitting Ceramic® brand technology. Fixture has 98% reflective German aluminum insert and 95% reflective textured corners for excellent output, uniformity and diffusion. Highly efficient agriculturally engineered CDM-T 315 Watt LEC® brand lamp (lamp included). Greatly improved full color light spectrum out of next generation ceramic lamps. Higher amounts of beneficial UV and far red spectrums increase the lamp's growth power to the plants. Very high 1.95 PPF (photosynthetic photon flux) per second light source. 3100° K Green Power or 4200° K color temperature, high 92 CRI, 33,000 initial lumens (105Lm/W). Long life 20,000 hr lamp. High 90% lumen maintenance @ 8,000 hr. High 85% PPF maintenance @ 20,000 hr. Unique open-rated lamp construction reduces radiant heat from the arc tube and is suitable for open fixture use. 50/60 Hz low frequency, square wave, highly efficient Philips electronic ballast rated for 50,000 hr ballast life. The Philips brand electronic ballast incorporates built-in thermal protection. All models have a 6 ft power cord. 2 year manufacturer warranty on ballast 1 year manufacturer warranty on bulb. Available online and in-store. Call the store and order to receive FREE SHIPPING in North Bay.