JARBO 1set 4 pack High Capacity Replacement For HP 970 971 Ink Cartridge Compatible With HP Officejet Pro X576dw X476dw X476dn X451dw X551dw X451dn 1Set, 4Pack, Affordable, With chip and ink(Non-OEM),Show accurate ink levels. High capacity,Good quality ink,page yeild:9,200pages Per Black and 6,600pages Per Color Contents: HP 970 971 ink cartridge(1xBlack 1xCyan 1xMagenta 1xYellow). Printer compatibility:HP Officejet Pro X451dn X451dw X476dn X476dw X551dw X576dw Printer ISO-9001 and MSDS certificate approved,1 year limited warranty.