Powerful Filters is a multifunctional addon for wpDataTables which widely extends the default filtering functionalities that wpDataTables provides for Tables in WordPress.

Demo
https://codecanyon.net/item/powerful-filters-for-wpdatatables-cascade-filter-for-wordpress-tables/21015802

Download
https://www.filecad.com/e6sn/Powerful-Filters-for-wpDataTables-v1.0.4.rar