Meta select

MultiSelect - this setting allows you to select multiple meta items.   Yes – checkbox.  No – Radio

Dynamic recount: recalculation of the number of products depending on the current search queries( If you select “Yes” – this function is performed after each filter selection ) If you select “Default” –  The values of this option will be taken from the main filter settings.

Show count –  Show or hide the number of products for this filter. If you select “Default” –  The values of this option will be taken from the main filter settings.

Hide empty terms – Hide filter options where product counter is zero. if all filter options are zero then the whole filter (with title) will be hidden.  If you select “Default” –  The values of this option will be taken from the main filter settings.

Logic: Search query comparison logic.  IN - standard logic - shows all products that have at least one of the selected meta items. NOT IN -  exclude products that have at least one of the selected meta items