This SuppliesMAX Drum Unit is Designed to be Compatible with the Brother DR-310CL_2PK and is Guaranteed to Match and Outlast the OEM Version ; Designed for use in the USA ; 25000 Page Yield on 5% Page Coverage Model: SuppliesMAX Brother DR-310CL_2PK Drum Unit Color: Color Yield: 25000 Machine Compatibility: See overview tab Manufacturer Warranty: 30 DAYS Our compatible toner, inkjet cartridges, ribbons, copier and other supplies are constructed to original OEM specifications. Guaranteed Superior Quality to Meet or Exceed High Priced OEM Products. Product packing may vary but it will not affect quality and warranty.