The 4 PK Ink Cartridges for HP 923 are compatible with various HP OfficeJet models, including the 8120, 8122e, 8124e, and 8125e. These cartridges are designed for inkjet print technology and offer vibrant colors like cyan, yellow, magenta, and black. With a page yield of up to 1,000 pages for black and 800 pages for color at 5% coverage, these cartridges provide long-lasting printing performance. The manufacturer warranty of 3 years ensures reliability and peace of mind. Compatible with HP 923 ink cartridges, these cartridges from PTC are a cost-effective and high-quality printing solution for your office needs.