Machine Refillable Ink Cartridge for Muton 900C 900X 1300 1604 Eco Solvent Printer Sub Tank Refillable ink cartridge designed for compatibility with Muton 900C, 900X, 1300, and 1604 eco solvent printers.Functions as a sub tank unit that supports continuous ink supply during printing operations.Constructed to integrate into the printer's ink system, enabling consistent ink flow and stable performance.Allows repeated refilling, reducing the need for frequent cartridge replacements.Suitable for use in eco solvent printing applications where ink delivery is required.Designed for easy installation and maintenance as part of the printer's ink management setup.Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.