Product Description Detailed Specs Downloads Reviews/Questions Product Description Detailed Specs MFG Part Number ECO20 Product Type Compatible Meter Ink Sold By Cartridge Case Quantity 1 Packaging 1 Cartridge Compatible Printers Hasler WJ20, Pitney Bowes Postage Machines Product Family WJ20 null null null null null null null null null null Downloads Reviews/Questions Accessories The ecoPost ECO20 is also known as ECO -ECO20 or ECO20