Citizen IR 31 Ribbons Black/Red (6 per box)

This Compatible Citizen IR-31 / CD-S500 printer ribbon fits:

• Citizen CD-S500 Cash Register Ribbon. Citizen CDS500 Ribbon, CDS500A, CDS500S, CDS501, Citizen CDS501A, CDS501S, CDs503, CDs503s, CD-s503, CD-s503s, CD503, CD503S, IR31, IR31BR, Citizen CD-S500 Ribbon, Citizen CD-S500S, CD-S501, CD-S500A, CD-S501A, CD-S501S, CD-503, CD-503S, IR 31, IR 31BR Cash Register Ribbon

And many others.