... outer tank and inner cartridge,simply to fit Color Ink TankDescriptionHigh quality CISS Printer Color Ink Tank For Epson NX115/NX315/NX415/NX515 We are ... indispensable parts, pipeline connect on the top of the tank with all accessory,like Pipeline clincher, T Support,Tube bend, ... cartridge,simply to fit.2.Balanceable-press outer ink tank.Design with the double outer ink tank, add the tank for glacis, ...