FiboFilters are integrated with the Advanced Custom Fields, in both the free and pro versions. With this integration, filter sources can be selected from fields created with ACF:
The following fields are supported. Every field has an assigned set of filters that can be created:
| ACF field type key | Allowed filter type |
| Button group | Checkboxes, Buttons, Radio, Select |
| Checkbox | Checkboxes, Buttons, Radio, Select |
| Color picker | Color |
| Number | Checkboxes, Buttons, Radio, Range, Select |
| Radio | Checkboxes, Buttons, Radio, Select |
| Range | Checkboxes, Buttons, Radio, Range, Select |
| Select | Checkboxes, Buttons, Radio, Select |
| True false | Toggle |
Allowed filter type is determined directly by the ACF field type, as shown in the table above.