The Canon GI-40 PGBK is a black pigment-based ink refill bottle designed for the MegaTank system. With a volume of 170 ml, this ink allows you to print up to 6,000 pages, making it a practical choice for those who handle high printing volumes without needing frequent refills. This bottle is compatible with several PIXMA G-Series models, including the G5040, G6040, G7040, as well as the GM2040 and GM4040. To keep your workspace clean, the Japanese-made container features a no-squeeze design and a hinged cap that prevents spills during the filling process.