INKUTEN &reg; 4 Refillable Cartridge for Brother LC103 LC101 LC105 LC107 and 400ml Refill Ink Brother MFC-J285DW MFC-J450DW MFC-J470DW MFC-J475DW MFC-J650DW MFC-J870DW MFC-J875DW MFC-J4310DW BMFC-J4410DW MFC-J4510DW MFC-J4610DW MFC-J4710DW MFC-J6920DW Printer 4 Refillable Cartridge with Auto Reset Chips for Brother LC103 LC101 LC105 LC107 and 400ml Refill Ink The cartridge is transparent. It is easy to view how much ink left to prevent from lack of ink to cause air bubbles or how much ink filled in to avoid overfill for easy operation. There are easy-refill hole and rubber plug on the top of each cartridge. It is very easy to remove the plug for ink refill and replace it back after refilled for the easy refilling. The prefilled ink cartridges can be used as regular ink cartridges for an easy using. This cartridge can be easily refilled and reused again and again.