The 936e Compatible High Yield Ink Cartridges 4-Pack in BK C M Y for HP OfficeJet is a set of ink cartridges specifically designed for use with HP OfficeJet printers. This 4-pack includes cartridges in cyan, yellow, magenta, and black colors, providing a high yield of printed pages. The cartridges are compatible with various HP OfficeJet models such as 9125, 9120, 9122, 9128, and 910. With a manufacturer warranty of C11, these ink cartridges ensure reliable and high-quality printing results for your documents and images.