The *New* 2-Pack Black 923e High Yield Ink Cartridges by Couleuris are designed for use with HP OfficeJet Pro 8138e and 8139e printers. These ink cartridges offer high yield printing capacity and come in a set of two black cartridges. With a print technology of inkjet and a manufacturer warranty of 1 year, these cartridges provide reliable and long-lasting printing performance. Made in the United States, these cartridges are compatible with the HP 923e model and have an expiration date of 24 months.