The 936e high yield BLACK XL HIPPO caridge is a compatible ink cartridge designed for use with HP printers. This cartridge is specifically formulated to provide high-quality printing results and is ideal for those who require a large volume of black ink for their printing needs. The model number 936e indicates that it is a specific product designed to fit seamlessly into HP printers, ensuring compatibility and reliable performance. With its XL size, this cartridge offers extended printing capabilities, making it a convenient and efficient choice for users who need consistent and professional results.