INKUTEN DIY Do-It-Yourself Ink Refill System for HP 902 902XL 906XL HP902 HP906 4 Color - 240ml Compatible with HP OfficeJet 6979, 6978, 6968, 6960, 6970 Printer Easy to use, Instructions included Cartridge: 902/902/906XL - 4 Color New condition and are friendly to the environment. We save you money while helping the environment. 100% Quality Satisfaction Guarantee.One-Year Warranty against defects. Free shipping on Same day or the next business day via USPS. Compatible with: HP 902 902XL 906XL HP902 HP906 HP OfficeJet Pro 6979, OfficeJet Pro 6978, OfficeJet Pro 6968, OfficeJet Pro 6960, OfficeJet Pro 6970 Printer