Designed to pass TCLP test. All SYLVANIA ECOLOGIC lamps comply withthe Energy Policy Act (EPACT). Designer 700 and 800 Series utilize rare earth phosphors which provides: Higher initial lumens, Better lumen maintenance, Improved CRI. Energy efficient T12 lamps. Same performance and ballasting requirements as standard T12 lamps. Cool White Phosphor, replaces F40T12 RS lamps.