2 tubes of Wholesale Widgets brand compatible black ink, compatible with Riso S-4386 ink. For use in the Risograph RP3700 and RP3790 duplicators. RISS4386C more details
2 tubes of Wholesale Widgets brand compatible black ink, compatible with Riso S-4386 ink. For use in the Risograph RP3700 and RP3790 duplicators. RISS4386C