The 2PK W1480A Toner Cartridge with Chip is a compatible product for HP printers, specifically the Pro MFP 4101fdw and 4001 models. It features a laser print technology and black color, with each cartridge providing up to 3,000 pages of printing. The cartridges are designed to work with the mentioned HP models, ensuring high-quality prints and consistent performance. The package includes 2 units of toner cartridges, making it convenient for long-lasting use in a professional printing setting. (Inventory number 355)