LTO Ultrium Universal Cleaning Cartridges are designed specifically for use in all LTO Ultrium 1, 2, 3, 4, 5, 6, 7, 8 and 9 drives and are compatible with libraries designed for LTO Ultrium 1, 2, 3, 4, 5, 6, 7, 8 and 9 drives. The Ultrium system is based on the industry's first open data storage platform.