Ushio high output, 3050 initial lumens, 86 CRI Tri-Phosphorus 800 Series T8 fluorescent lamps render colors closer to that of nature and are suitable for commercial applications where color is of critical importance, including offices and retail stores. Premium quality lamp is made in West Germany and available in 3000, 3500, 4100, 5000, and 6000 (32W only) Kelvin color temperatures. Purchase by the each lamp or in case quantities.