This is a remanufactured replacement for the IS56INK fluorescent red ink cartridge, designed for use in NeoPost IS5000 printers. It delivers a standard yield of up to 100,000 pages, ensuring consistent and reliable print quality. Manufactured to meet ISO-9001 specifications, this cartridge combines a remanufactured core with new build components for optimal performance. Save significantly compared to the MSRP of original NeoPost cartridges while maintaining quality printouts. Backed by our 100% Quality Satisfaction Guarantee.