An end effector for a vacuum system is disclosed. In various embodiments, the end effector includes a central duct having a first end configured for connection to a vacuum source and a second end defining a central duct inlet; a base member proximate the second end of the central duct; and a plurality of passages extending from an outer surface of the base member to an inner surface of the central duct, the plurality of passages characterized by a passage axis having an axial vector component.