The Genuine HP 11 Printheads in Black, Cyan, Magenta, and Yellow (C4810A, C4811A, C4812A, C4813A) are original printer accessories designed specifically for HP printers. These inkjet print technology pritnheads are compatible with HP Deskjet models and come in a pack of 4 units. The high-quality colours of cyan, yellow, magenta, and black ensure professional and vibrant prints for all your printing needs. Ideal for those looking to replace their existing printheads with genuine HP products.