1 Each. High-quality toner cartridge is made with 100 percent new parts and designed as closely as possible to the original while respecting the various design patents held by OEMs. It is designed for use in Dell 1720; Lexmark E250D, E250DN, E350D and E352DN. Toner cartridge delivers consistent performance and brilliant print quality. The durable toner excels in multiple applications from labels to documents. Premium cartridge yields approximately 3,500 pages. It is produced in an STMC compliant/ISO-9001 certified facility.