Compatible with Megatank G1220, G2260, G3260, G1230, G2270, G3270, G4270, G3290, and G4280 Printers Canon GI-21 Yellow ink yields up to 7700 pages. Canon Genuine GI-21 Yellow ink bottle is designed specifically for select Canon MegaTank printers. Specialized nozzle created to easily pour into compatible MegaTank printers without spills or messes! Don’t be fooled by imposters - look for the Canon logo on all ink packaging to ensure you’re buying Genuine Canon Ink for outstanding quality and performance you can rely on.