WAVEPOINT TECHNOLOGY, INC - Wavepoint HO T5 Lamp BLUE WAVE 24W 21". • Higher Lumen per Watt Ratio • Optimum Color Rendition • Low Operating Temperature Available Spectrum: BLUE WAVE Super Blue Actinic 460 REEF WAVE Super Violet O3 Actinic 420 RED WAVE Plant Growth & Color Enhancer TROPICAL WAVE 6,500k Full Spectrum Daylight SUN WAVE 12,000k Super Daylight