The Officenter 502/T502 Ink Refill Bottles are specifically designed for EcoTank printers, providing high-quality ink for vibrant and long-lasting prints. With a total of 10 bottles included in the pack, this product ensures that you have an ample supply of ink for all your printing needs. The bottles come sealed to maintain the freshness of the ink and guarantee consistent performance with your EcoTank printer. Perfect for those looking to refill their printer with reliable and efficient ink, the Officenter 502/T502 Ink Refill Bottles are a valuable addition to any printing setup.