This 45 (51645A) Black cartridge is an eco-friendly, remanufactured ink cartridge for your HP printer. Our ink cartridges undergo an extensive cleaning, filling, and testing process to ensure each one will produce prints with quality comparable to an HP original (OEM) cartridge. Here, at HouseofToners.com, our large selection of HP ink and toner cartridges are guaranteed to work just as good as their OEM replacements, for only a fraction of the cost! We also offer FLAT RATE $3.95 on every order that ships within the contiguous US and have a 1 year return policy! We want YOU to save money and feel confident every time you purchase from HouseofToners.com!