E-MALL Compatible Dell 2150 / 2155 Set of 4 High Yield Toner Cartridges: 1 Black 331-0719 / Cyan 331-0716 / Magenta 331-0717 / Yellow 331-0718 Premium Compatible Toner Cartridges w/ Lifetime Warranty Page Yield: Black-3,000 & Color-2,500 per cartridge | Shelf Life: 24-36 months per cartridge For use in the following printers: Color Laser 2150cdn, 2150cn & Dell Multi-Function 2155cdn, 2155cn This replacement toner cartridge is built to ISO9001 and ISO14001 Factory Standards The use of compatible cartridges and supplies does not void your printer's warranty