Compatible HP models:LaserJet Pro: 300 Color M351 300 Color MFP M375 300 Color MFP M375nw 400 Color M451 400 Color M451dn 400 Color M451dw 400 Color M451nw 400 Color MFP M475 400 Color MFP M475dn 400 Color MFP M475dw Original HP Cartridges are the only cartridges precisely developed with HP printers for reliable quality results and consistent performance. Designed to help protect your investment and help your printer work its best. What s in the Box: 2 New HP 305X High Yield Toner Cartridges - 2 Black (CE410XD) Page Yield up to 4 000 Each Cartridge Print more pages change cartridges less often and save money with high-yield cartridges and combo packs as compared to standard cartridges. Helps Avoid Waste - Designed for extended use helping reduce or eliminate material use and potentially save money. Recycling solution - designed to encourage recycling helping you divert materials from landfill. Cartridge tested with an EPEAT Bronze/Silver Certified or Blue Angel Certified Printer. EPEAT’s environmental criteria covers the complete product lifecycle from design to end of life. Ranked in three tiers: Bronze Silver or Gold.