The Couleuris 923e/923 Ink Cartridges 4 Pack is a set of compatible ink cartridges designed for use with HP OfficeJet Pro printers, specifically models 8120e, 8135e, 8130, 8132e, 8134e, and 8135e. The cartridges come in cyan, yellow, magenta, and black colors, with a print technology of inkjet. With a page yield of up to 1,000 pages for black and 800 pages for color at 5% coverage, these cartridges offer long-lasting and high-quality printing. Manufactured by Couleuris in the United States, these cartridges are covered by a 3-year manufacturer warranty and have an expiration date of 03/2028, ensuring reliability and compatibility with your printer model.