Epson EcoTank pigment ink delivers sharp text, bright colors and professional-quality results. EcoFit replacement ink bottles mean you get thousands of vivid pages. Exclusive uniquely-keyed EcoFit bottles make it easy to fill each color tank. Epson ink refills produce superior quality for a wide array of printing needs. Package includes one yellow ink bottle. Epson T542 Yellow Ultra High Yield Ink Bottle (T542420-S). Ultra-high-capacity ink refills are designed for frequent printing. For use with: ET-5150, ET-5170, ET-5800, ET-5850, ET-5880, ET-16500, ET-16650, ET-16600, ST-C8000, ST-C8090. Epson 542 - Ultra High Capacity - yellow - ink refill