Compatible with: HP DesignJet: T120, T125, T130, T520, T525 24In, T525 36In, T530 24In, T530 36In Professionally remanufactured by LD Products Capacity (ml): 29* For best results, store in a cool, dry place. Use within 18 months of purchase for optimal performance. *Average cartridge Page Yield* in accordance with ISO IEC 24711. *at 5% coverage (ISO/IEC standard) This cartridge is equipped with an electronic smart chip for accurate ink level readout Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.