GPC Image 4 Pack Compatible Ink Replacement for 934XL 935XL 934 XL 935 XL (1 Black, 1 Cyan, 1 Magenta, 1 Yellow) for use in Officejet Pro 6830 6230 6812 6835 6815 6820 6220 Inkjet Printers 1. Included: (1) Black/ (1) Cyan/ (1) Magenta/ (1) Yellow 2. Page Yield: 1,000 Pages per (1) Black cartridge/ 825 Pages per (1) Color cartridge 3. Compatible Printers: Officejet Pro 6820 6830 6220 6230 6812 6815 6835 4. Affordable and dependable alternative that will satisfy your every printing need. 5. 1-Year 100% satisfaction guaranteed warranty.