The Inkrobat T-502 Ink Refill Bottles are specially designed for Epson ECO TANK printers, providing high-quality printing performance with vibrant colors. This 8 pack of refill bottles includes cyan, yellow, magenta, and black ink, allowing you to easily and conveniently replenish your printer ink for consistent and professional results. Made in the United States, these bottles are ideal for inkjet printing technology and are compatible with the Epson 502 model, making them a reliable choice for ink refill needs.