High-output Sunleaves VitaLUME PLUS T5 Fluorescent Grow Tubes replace the VitaLUME T5’s originally included in Sunleaves Pioneer Grow fixtures. VitaLUME PLUS T5 tubes have a raised color temperature of 6,500 kelvins for improved performance more comparable to metal halides. Each four-foot, 54-watt tube comes with a one-year manufacturer’s warranty.