Brother BT-5000M Magenta Ink Bottle: Up to 5,000 pages For Use In Brother MFC-T910DW, DCP-T710W, DCP-T510W, DCP-T310 **Quoted approx. yields are extrapolated based on Brother original methodology using Test Pattern ISO/IEC 24712. Quoted approx. yields are not based on ISO/IEC 24711. What’s in the box 1 x Brother BT-5000M Magenta Ink Bottle with Up to 5,000 Page Yield