The HP 49 Large Tri-Color Ink Cartridge 51649A is a genuine HP product designed for use with various HP DeskJet printers. This single unit cartridge offers standard yield and is suitable for inkjet printing. The tri-color ink ensures high-quality prints, making it ideal for both home and office printing needs. With a compatibility range of DeskJet models, this factory-sealed cartridge from HP is a dependable choice for producing vibrant and professional-looking documents and images.