Product name: CISS for R290/R270/R390/RX590
Original cartridge No：T0821/T0822/T0823/T0824/T0825/T0826
Specifications:
1. high capacity tanks can provide continuous inks to the original cartridge;
2. high stability, easy set-up and easy operated ;
3. cut the cost up to 90% as inks can be supplied over and over again.
