1, Using specially desigined tank for these model, very strong and never leak; additionally we can offer more than 3 different shapes of tank for your choice, the tank volume is 50ml, 65ml, 80ml and 110ml.

2, specially designed cartridge for ip6600d/ip6700d/pro9000, the cartridge is shorter than original cartridge-making installation easy. and strong enough for keeping the cartridge from leaking.

3, DOIT CISS with special formula ink for these model, with our ink the colore is vivid and near to original ink.