Hi Andrew,
Thanks for your interest in Syncfusion products.
Please download the following sample where your requirement is achieved. Both FilterBar and GridDynamicFilter is used in the sample.
http://www.syncfusion.com/uploads/redirect.aspx?&team=support&file=GGCCusFilter52902426.zipPlease let us know if you have any further concerns.
Regards,
Arulraj.A