The refillable cartridges are made similar to original cartridges; however they allow adding ink again and again, up to several hundreds of times. For proper work of refillable cartridges you need to order chip resetter. It is used to perform the procedure of resetting ink level when necessary.
These cartridges are easy to refill. Cartridges capacity is 700 ml of each. The cartridges are made of high-quality plastic, and can be changed on their positions that easily allow to alter them from one model to another or to replace the damaged cartridge.