Lexmark Unison Original Extra High Yield Laser Toner Cartridge - Black - 1 Pack - 20000 Pages

Compatible Lexmark models: MS : MS431DN, MS431DW. MX : MX431adn, MX431adw, MX432adwe. . Yield Value: 20000 Monochrome Laser Helps Avoid Waste - Designed for extended use, helping reduce or eliminate material use and potentially save money. Recycling solution - designed to encourage recycling, helping you divert materials from landfill.