For HP51640 51645 6615 HP45/15 Ink Cartridge Suction Refill Filling Tool

L Applicable M odel : for HP-51640A/C/M/Y(HP240)/(42ml), HP-51645A(HP45)/(42ml), HP-C6615D(HP15)/(25ml), HP-C6615N(HP15)/(14ml). l With the print head facing upwards, the syringe is filled with ink, inject slowly, and then draw 2-3ML outward before pulling it out.

eBay