2 Wholesale Widgets Brand Black Ink Tubes, Compatible with Riso S-4254 for use in Risograph RZ Series Duplicators RISS4254C
2 Wholesale Widgets brand compatible inks, compatible with Riso S-4254 ink. For use in Riso EZ220, MZ390, MZ790, MZ990, RZ220, RZ230, RZ310, RZ370, RZ390, and RZ590 duplicators. RISS4254C