Postage Ink Cartridges Compatible Ink Cartridge Replacment for Neopost IJINK3456S 100% Customer Satisfaction for your Neopost IJ35, IJ40, IJ45, IJ50, IJ60 Mailing System Made in the USA Replaces OEM part # IJINK3456S ISO9001 & CE Approved Yield: 20,000 impressions