Specifications: Product description Contrapose to the high cost of cartridge, unstable quality of continual ink supply system in the present market, our company generalize the new continual ink supply system. 1. The continual ink supply system is beautiful and decent. 2. The outer tank adopts the most advanced technology for the balance device, make the pressure of the ink invariable all the time. 3. The structure of ourter tank have benn improved, more tighten, not be flexible, better result. 4. The filling hole and vent hole are with human design, the ink in the ourter tank can not overflow during use and transportation. 5. The inner cartridge adopt no sponge design, insure not to print spot and leak ink during printing. 6. The ciss volume (80ml) filling hole is bigger, more convenient to refill. Specifications It is compatible with all types of desktop printers. Types printers: All types of desktop inkjet printers. Advantages 1. Save money, protect environment. 2. Simply and conveniently to install. 3. The beautiful and decent appearance.