Continuous ink System for HP 10/11 1100 2200 1700 OfficeJet 9110 9120 9130 K850 BusinessJet 1000 1100 1200 1300 2200 2600 CISS CISINKS is the only authorized seller of this product, technical support will not be supported if bought from other sellers. Environmentally Protective, no waste ink Smooth ink flow for better printing quality Easy installation and less maintenance for printers Significant Saving on printing cost