Ultra High Quality Compatible Yellow Ink for your Riso® ComColor® 3050 Printer. Priced per 1000 ml cartridge. We utilize a recycled genuine container with all new circuitry and new packaging. Average yield: 64,500 copies. Our inks are specifically engineered to provide you with the absolute highest performance in your Riso® inkjet printer. We develop and test these inks daily right here in our facility. They are fully equivalent to the original in quality and are available to you for a fraction of the cost. All Duplicator Source products deliver premium quality and performance and are backed by a FULL MONEY BACK GUARANTEE. Shop with confidence and please don't hesitate to contact us with any questions. Thank you!