1. Model Number: Brother TN 250 Toner Cartridge

2. Compatible for:  Brother MFC 4800 / 6800 and IntelliFax 2800 / 2900 / 3800 laser toner fax machines

3. Yield pages: 2400pages

3. Certification: ISO 9001:2000 and ISO 1400:2004.

4. Warranty: 12 months.

5. Color: Black.