HASLER IN750 Ink Cartridge # IMINK34, 4135554X. FULL 1-YEAR REPLACEMENT WARRANTY & NO EXPIRATION. HIGH-CAPACITY. PROMOTION: BUY (3) IN750 INK CARTRIDGES & GET AN EXTRA 10% OFF. ENTER THE CODE [BUY3] AT CHECKOUT. Remanufactured by DataPrint utilizing HP technology for Hasler mailing systems. Made in the USA.