Refillable Ink Cartridge Description: Spongeless inner cartridges, without chip (users take off genuine chips,then install on our cartridges). Cartridge No.:HP No.:920 CD975A/CD972A/CD973A/CD974A. Amount of color: 4 colors, 975 Black, 972 Cyan, 973 Magenta, 974 Yellow. Suitable for :HP Officejet 6000 / 6500 / 7000....etc. | 
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