Refillable Cartridge with new chips (bulk ink system) for large format printers,
Epson 4450,Epson7880,Epson7450,Epson9880, and other ones still sell good,
such as for :
Epson7800,Epson9800,Epson4800,Epson2400,Epson7400,Epson9400,Epson4400,
Epson4000,Epson7600,Epson9600,Epson2100,Epson4880,Epson 9450,Epson 9000,
Epson 9500,Epson3800,HP120/130,Canon8200/7200/6200/8400/6400,HP5500/5000,
HP500/800/1000/4000/4500/9000S,CANON8200/7200/6200/6400/8400 etc.