HP 685 CZ121AA Black Original Ink Cartridge
- Page Yield: 550 pages
- Cartridges Capacity: Standard Capacity Cartridges
- Cartridge color: Black
- Technology: Ink
- Ink types: Pigment-based
- Print technology: HP Thermal Inkjet
- Compatible Printers:DJ 3525 / 4615 / 4625 / 5525 / 6525
- Warranty: 6 Months Limited Warranty