California Lightworks 110-watt LED Spectral Blend VegMaster 44 Super High Flux US made 5 Watt LED emitter diodes Uniform 90 degree jewel quality glass primary optics, no secondary optics High photo-synthetic photon flux (PPF) to penetrate canopy and deliver unparalleled yield results Uniform, coverage area (up to 4' x 4' for Veg.) No wasted light High photo-synthetic photon flux (PPF) to penetrate canopy and deliver unparalleled yield results