These compact ERC-30 B compatible ink ribbons have been designed to work interchangeably with the Epson originals, allowing you to continue your work trouble-free. With guaranteed compatibility with all of the Epson printers listed here, our compatible ERC-30 B is a great deal.Coming in at a much lower price than the genuine Epson ERC-30 B, our compatible alternatives reduce your running cost substantially. Each of these compatible Epson ERC-30 B measures 12.7mm in width and 5m in length, meaning you get the same amount of printing done too!