The HP GT52 is a yellow ink bottle designed for use with HP Thermal Inkjet printers, specifically those in the Smart Tank series. This 70 ml bottle contains pigment-based yellow ink, which allows you to print approximately 8,000 color pages before needing a refill. It is compatible with a wide range of models, including the Smart Tank 210, 480, 500, 580, 670, 720, 750, 790, and the Wireless 457, among others. This high capacity makes it a practical choice for users who print frequently and want to spend less time managing their ink supplies.