5 Pack ink4work 934XL 935XL Replacement HY Ink Cartridge for HP OfficeJet 6812, 6815, officeJet Pro 6230, 6830, 6835 (2 x Black, 1 x Cyan, 1 x Magenta, 1 x Yellow) For use with: OfficeJet 6812, 6815, officeJet Pro 6230, 6830, 6835 ISO9001 certified. Not made by HP Content: 2 x Black, 1 x Cyan, 1 x Magenta, 1 x Yellow Ink cartridge Sold by ink4work only