1) Available for refilling printer directly, which is used for relatively small printing user
2) Transparent no-sponge structure, can avoid inkjet nozzle from damage due to the age for sponge
3) Without broken lines, no jamming against nozzles, no leaking ink while printing
4) Adopts auto reset chip, can continuously refill, uses one set of cartridge for one printer only
5) For use with Epson1290/1280/1270/photo 900