... quality and stable for long time use. 1800ml Roland Continuous ink supply system Specification:1. This system is suitable for Roland ... Eco Sol Max series.2. It is composed of 1500ml ink bottle and 300ml cartridge, pipe, connectors, rubber ring, switch, etc ... Eco Sol Max series, including SP, XJ, XC, VP, VS, RA, RE, RS series,6. Save great cost for long time ...