This set includes four compatible ink bottles for the Epson T522 series: T522120 black, T522220 cyan, T522320 magenta, and T522420 yellow. Designed to deliver excellent quality results, these ultra high yield cartridges provide a cost-effective alternative to OEM Epson ink. Backed by our 100% Satisfaction Guarantee, this bulk set is a smart choice for those looking to stock up on reliable printer supplies.