The Ankink 31 32XL Yellow Magenta Cyan Black ink combo is specifically designed for HP smart tank printers. This refill bottle set includes cyan, yellow, magenta, and black ink colors to ensure high-quality printing results. With the brand's compatibility with HP printers, users can trust that this product will perform efficiently and effectively, providing vibrant and long-lasting prints for various printing needs. Ankink 31 (color) and 32XL (black) ink refill bottles are primarily designed for HP Smart Tank and HP Ink Tank printers, including the 500, 600, 700, 450, 5000, 6000, and 7000 series. These high-yield bottles are compatible with models such as the HP Smart Tank 5101, 5102, 6001, 7301, 7602, 7001, and 5000.