The Graco 222308 Sprayer Bung Adapter 2" provides a secure connection for mounting compatible pumps to standard 2-inch NPT drum or tank openings. The adapter threads into the container bung and provides the mounting interface needed to connect compatible Graco bung-mounted pumps. Designed for use with selected Fast-Ball, Eagle, Fire-Ball, and President pump configurations, it supports... https://www.wholetoolbox.com/graco-222308-sprayer-bung-adapter-2-npt/222308.html