You are purchasing a box of 2 bright red inks, compatible with Riso brand Z type ink. This bright red ink is compatible with Riso S-4263 but not the same exact shade. We can not guarantee the exact color on compatible brands. If you need an exact shade, please purchase the genuine brand, we sell most genuine brand colors. For use in Risograph EZ220, EZ390, EZ391, EZ590, EZ591, MZ390, MZ790, RZ220, RZ230, RZ310, RZ390, RZ590, and RZ790 digital duplicators.

This product has been recently manufactured. We have had great results with this compatible brand.

Please feel free to email me any questions about compatibility, etc. We pack the product boxes in another box to protect them during shipping. Thanks for looking at our listing.