* HP Bulk Black Ink Systems with a Remanufactured Printhead * These compatible HP bulk ink systems contain 412ml of, compatible, waterbased, HP 45 ink (Equal to almost 10 single ink jet cartridges) * These, compatible, HP c6119a ink bladders are designed for printing on porous paper while utilizing mailing equipment with HP thermal inkjet technology and with no drier requirements * We offer competitive pricing on this reliable and compatible mailing ink, so please bookmark this page as a reminder to purchase industrial ink systems from our online store. We value you as a customer and we want to be your one stop to shop for mailroom equipment, bulk, HP 51645a ink * Fits a variety of floor model equipment and not intended for tabletop machines * Our part - 45bulkreman * One year warranty * Made in america * Lower Pricing As Of May 2012 * Free UPS Ground from AZ * US SALES ONLY - IN STOCK