Quality DIY Ink Supply System

DIY CISS(continuous ink supply system) for HP21/22, 56/57, 816/817...etc
*Supply whole accessories for DIY CISS, without cartridge
*100% Compatibility With Your Printer
*Beautiful and Decent Appearance
*Ink Tank Made of Imported raw Material
*CISS for HP
*Very Convenient To Use

1, Easy installation and service
2, With best quality ink
3, No need to change cartridge again
4, Can be recycled, environmentally friendly.