Compatible replacement for Pitney Bowes K780001/K780002. Page Yield or Volume @ 5% coverage will be approx 800. This is a Ink Cartridge. Prices exclude VAT and delivery. All products are covered by a 2 year warranty and next day replacement service. Name and numbers are for indicative purposes only. All products are non-original/non-OEM. FITS: DM50, DM55, K700