DigiToner8482; by TonerPlusUSA New Compatible Brother DR221CL Drum Unit Compatible With HL-3140CW HL-3170CDW MFC-9130CW MFC-9330CDW MFC-9340CDW Laser Printer (4 Drum Units) Reliable Drum: Includes 4 Drum unit. Works with either Black, Cyan, Yellow and Magenta Shelf Life : 2 years Page Yield: 15,000 @ 5% coverage Certification: ISO 9001 and ISO 14001 Compatible Printer:MFC-9130CW, MFC-9330CDW, MFC-9340CDW, HL-3140CW, HL-3170CDW