Description i. Can refill inkjet cartridges HP, Canon, Lexmark, Epson, Dell, Xerox, etc. (include the print-head cartridge and tank cartridge) ii. Refill ink by air pressure instead of needle injection iii. Refill ink through ink outlet of sponge tank cartridge, no need to drill hole on it iv. 4pcs of ink cartridges can be refilled within 1 minute v. 120pcs of ink cartridges can be refilled within 1 hour vi. Used in refilling store, mobile ink refilling, small cartridge recycling plant, refilling counter in super market or shopping mall. It is also suitable for onsite service. vii. Circulating Air Cooling System, never broke down by over heating annie@i-filling.com