The Package includes: 

(1) 4 Pre-filled Refillable ink Cartridges (with auto reset chip) 

(2) One Cover Closing Sensor Part

(3) 4 Air Filters

(4) 4x500ml refill ink kits 

(5) 4 syrings (with needles)

(6) detail user manual

Features:

* 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. 

* 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 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.

* These patented cartridges are environmental friendly, 3R (recycle, reuse, reduce) green products for endless

    inkjet printing with big saving.