Product Quantity: 1-Pack Compatible for Brother DR310CL DR-310CL DR310 Imaging Drum Unit Compatible Printers: DR310CL Drum Unit Works for HL-4150CDN HL-4570CDW HL-4570CDWT MFC-9460CDN MFC-9560CDW MFC-9970CDW Printer Page Yield: Print Up To 25,000 Pages Per DR310CL Drum Unit At 5% Coverage On A4 Paper Unique performance: DR-310CL Drum Unit Ensures Long-Life Print System Reliability and Promotes Superior Sustainability After-Sales Service: If You Have any questions about DR310CL Drum Unit, Please Contact Us, and We Will Provide You with Possible Solutions DR310CL DR-310CL Imaging Drum Unit Replacement for Brother DR-310 DR310CL Drum Unit for HL-4150CDN HL-4570CDW HL-4570CDWT MFC-9460CDN MFC-9560CDW MFC-9970CDW Printer – 25,000 Page Yield (BK/C/M/Y)