AFAIK there's no full block a fan can blow through. It's a simple change, but would allow neat things involving entity manipulation using fans.

This issue has been marked as stale because it has been inactive for 3 weeks. It will be closed if it remains inactive for another 3 weeks.

This issue has been closed since it has been inactive for 3 weeks since it was marked as stale.

could this issue be reopened? i wanted to create a similar issue to allow washing through waterlogged leaves.