Ouguan Ink 5pk(2B 1C 1M 1Y) New Ink Cartridges Compatible Replacement for HP 670XL (Deskjet Ink Advantage 3525 4615 4620 4625 5525 6526) All products covered by a 100% satisfaction guarantee and 90 days warranty. Compatible ink cartridge (Not OEM),but the page yield is same as Genuine one. Compatible for Deskjet Ink Advantage 3525 4615 4620 4625 5525 6526 Contents: 2Black 1C 1M 1Y