Our compatible replacement for Blue IJ30 IJ35 IJ40 IJ45 IJ50 inkjet cartridges for your NeoPost IS-330 IS-350 IS-420 IS-430 IS-440 IS-460 IS-480 printer is manufactured to meet the same ISO-9001 original specifications and performance standards as the NeoPost OEM IJ30 IJ35 IJ40 IJ45 IJ50 inkjet cartridges. Our IJ30 IJ35 IJ40 IJ45 IJ50 is a unique hybrid, combining a single-use remanufactured core and 100% new build flex circuitry, components and housings. We guarantee that you will get the same quality printouts as a NeoPost brand IJ30 IJ35 IJ40 IJ45 IJ50 ink jet cartridges.