The LCL 728 728XL Ink Cartridges are compatible with DesignJet T730 and T830 printers, offering high page yield for extended printing. The cartridges come in a set of four, including 300ml of black ink and 130ml of cyan, yellow, and magenta colors. Ideal for inkjet print technology, these cartridges ensure vibrant and consistent color results for your printing needs. Upgrade your printing experience with these reliable and efficient ink cartridges.