NeoPost Quadient ISINK34 and ININK67 Ink Cartridge for IS330, IS350, IS400 series
ink blue for Neopost IS-300, IS-350, IS-420
Neopost ISINK2 4145144H Ink Cartridge Red IS280 - Sun Data Supply
PrinterDash Replacement for NeoPost IN-300/IN-600/IN-700/IN-750/IS-330/IS-350/IS-440/IS-600/IS-700/IS-750 Red Postage Meter Inkjet (2/PK-8500 Page Yield) (4135554T_2PK) - Walmart.com
Quadient (Neopost) IXINK57HC Red Ink Cartridge For X5, IX7, IX7-7PRO Series - Walmart.com