Specification:

1) To be used on:
     HP Cartridge#: HP 363/ 02/ 801/ 177;
     HP Printer: Photosmart 8250/8230/8238/3310/3210/ C5180/6180/D7160/7460 etc.
2) Adopt no sponge structure, avoid break printer head because of sponge aging
3) Innovate it base on the first generation cartridge, make sure no leak ink, print spot, block when printing
4) Direct refill cartridge, can fill the ink directly, adopt creative design, filling ink easily: fill ink full into cartridge by syringe, no use vacuum refill method, no need special filling tool and special technicial. This is the cartridge invention milestone. 
5) Can be refilled more than 30 times. Save money and save time.
6) The refilling hole and the air hole are different. Take out the air rubber plug when use the cartridge