Not a whole lot to say here. Its 8 times faster than hoppers. 20 items a second. One item a tick.
Craft it the same way as a hopper, except add an iron block atop the chest. It follows all the rules of a regular hopper including redstone signals.

See my other mods
All Versions
+ Add Version- Update to 1.21.5+
- Update to 1.21.5+
- Minor fix
- Minor fix
- Updated recipe to be cheaper
- Minor optimization
- Updated recipe to be cheaper
- Minor optimization
- Initial release
- Initial release