Philips 423194 - F96T12/CW Supreme/ALTO 15PK 75 Watt - 5000 Lumens - 800 Series Phosphors - Single Pin - 4100 Kelvin - 8 ft. - T12 - Case of 15 High Color Rendering Index (CRI) of 89 as opposed to other fluorescent lamps Commonly used in hallways, work areas, classrooms Designed for single-pin fixtures only