Keep your large-format printer running smoothly with this 4-pack of genuine HP 728 matte black ink cartridges. Each cartridge holds 40ml of ink, so you get plenty of coverage for architectural plans, blueprints, or graphics. Compatible with HP DesignJet T830 plotters. Brand: HP. Model: 728. Part number: F9J68A. They're brand new, sealed, and come with a 1-year warranty. Expiration date is 2023, so use them soon for best results. Print technology: inkjet. Color: black. UPC: 0888793397879. Whether you're in an office, studio, or print shop, this bulk pack saves you time and hassle. Stock up and avoid unexpected runouts mid-project!