The Officenter 502/T502 Ink Refill Bottles are specifically designed for use with EcoTank printers, such as the Epson EcoTank T502 model. These refill bottles come in a set of 5 and are available in various colors including yellow, blue, magenta, multicolor, and black. Made in China, these bottles are perfect for keeping your printer well-stocked with high-quality ink. The expiration dates for the bottles are not specified, ensuring that you have a steady supply of fresh ink for your printing needs.