Compatible HP models: OfficeJet Pro: X451 dn, X451 dw, X476 dn, X476 dw, X551 dw, X576 dn, X576 dw 100% performance guaranteed This cartridge is designed, engineered and manufactured to meet or exceed OEM performance. This product is manufactured in an ISO 9001:2000-certified facility. Comparable to the HP 971 (CN623AM) cartridge. Yields up to 2,500 pages. Ink resists water and smudges for crisp, clean print results. Eco-conscious choice - has one or more meaningful eco-attributes or eco-labels. Recycled content - Product contains 99% total recycled content, including 99% postconsumer content, helping you save resources and reduce waste. Remanufactured - made from quality recovered cartridges, helping you save resources, reduce waste and potentially save money. Recycling solution - designed to encourage recycling, helping you divert materials from landfill.