1.CISS system 2.Be fit for:Epson T25/TX125/TX123,T22,TX120,TX300F/TX420W 3.With USB chip 4.PP tanks 5.Good function CISS (Continuous Ink Supply System) Be fit for EPSON T25/TX125/TX123,T22,TX120,TX300F/TX420WCartridge no.: T1321/1331/1351, T1332-T1334Color: BK,C,M,YAttached tank is 100ml each tank 60ml/85ml/90ml/100ml/110ml /150 and 200 ml tanks is optional.with USB chips . With ink or empty is ...