100% Satisfaction Guarantee! One Year Warranty! Brand: Generic Brand / Remanufactured Model No: Ink Cartridge 728BK 728C 728M 728Y Color Type: Black, Cyan, Magenta, Yellow Shelf Life: 2 Years Ink Volume: 300ml for 728 BK, 130ml for 728 C 728 M 728 Y Quantity: 4 Pack For Use With HP Printer DesignJet T830 MFP & T730 Large Format Plotter 100% Compatible High Quality, Meet Or Exceed OEM Requirement Our products are certified with ISO 9001 and ISO 14001. If you are not 100% satisfied with your purchase, you can return your order to us within 30 days for a full refund or free replacement, return shipping is absolutely Free.