Smart ink Cartridges can help you reduce printing cost while delivering bright colors and sharp text. OEM number T220220 T220320 T220420. For use in Epson 220 WorkForce DuraBrite WF-2630WF WF-2650 WF-2660. Each cartridge yield 165 pages at 5% coverage. Smart ink Cartridges are guaranteed to work flawlessly, certified by ISO 9001 international quality standard, ISO 14001 environmental management, and free of lead and hazardous materials.