Professional-grade compatible ink refill set designed for HP inkjet printers. This aftermarket ink solution delivers high-volume, cost-effective printing without compromising output quality. Each 100ml bottle provides exceptional page yield for Photosmart, Deskjet, Officejet, and PSC series printers. Compatible with HP 315, 363, 364, 655, 920, 901, 45, 78, 58, 338, 339, 704, 300, 301, 304, 350, 351, 342, 343, 344, 650, 652, 21, 22, 27, 28, 56, 57, and 131 cartridges. Supports 100+ HP printer models including GT5810, GT5820, Deskjet 3070/3520 series, Officejet 4610/6500A Plus, and PSC 720-1610 range. Premium ink formulation ensures vibrant colors, sharp text, and reliable printer performance. Ideal for high-volume printing environments seeking economical refill solutions.