This ink cartridge is designed to work with Epson printers, specifically the SureColor F170 model. It is a compatible product, meaning that it is made by a different brand but is designed to fit the same unit type and print technology as the original product. The color of the ink is black, and it comes in a unit quantity that is not specified.The S2101 Maintenance Ink Box is a waste ink tank that is compatible with the Epson SureColor F170 printer. It is made in China and is perfect for those who want to save money on ink cartridges. The unit type is a waste ink tank, and it is designed to work with inkjet printers. This product is ideal for those who need a replacement ink cartridge or want to switch from a traditional ink cartridge to a waste ink tank.