OSIR T220XL/220 CIS CISS Continuous Ink Supply System For Epson WorkForce WF-2650 WF-2660 CISS Design,with chip and ink,can easily use. 1Black,1Cyan, 1Magenta,1 Yellow, Save Up Ink Cost. Please note :only use with Epson WorkForce WF-2650 WF-2660. High Quality And Environment Friendly Materials,Low Price. ISO9001 and CE Certified,1-Year Manufacturer 102% Satisfaction Guarantee Warranty,If you have any problem,please contact us,we will try our best to solve the problem.