GREENSKY 2 PK (2Black) Compatible 305X CE410X CE411A E412A CE413A Toner Cartridges Replacement for HP Laser jet Pro 300 MFP M375Pro 400 color M451dn, M451dw, M451nw, MFP M475dn,MFP M475dw Package Contents: 2 Pack (2 x CE410X Black) Page Yield: Black- 3,500 Pages based on 5% coverage of Letter/A4 Suitable for use in HP Laser jet Pro 300 MFP M375Pro 400 color M451dn, M451dw, M451nw, MFP M475dn,MFP M475dw Series ISO 9001 & 14001 (INTERNATIONAL STANDARD ORGANIZATION Quality Standard) 3Years 100% Quality Guarantee ensures that you will get quality printouts with our compatible or remanufactured cartridges. Any problems under normal circumstance, demand for a return is acceptable