The Epson 104 EcoTank ink cartridge, in black, yields approximately 4500 pages. It is part of the Epson EcoTank system, where ink is replenished via dedicated bottles directly into the printer's ink tanks, instead of disposable cartridges, significantly reducing the cost per printed page and plastic consumption over time. The bottle has a nozzle designed to minimize spills during refilling, making the process simple and clean even for those who have never refilled this type of printer before. It is compatible with Epson EcoTank printers ET-2710, ET-2711, ET-2712, ET-2714, ET-2715, ET-2720, ET-2726 and ET-4700. It is a preferred option for those who print large volumes of text and have one of these EcoTank printers at home or in the office.