Abstract: A flowback filter system includes a system inlet, a system outlet, a filter vessel that includes a removable filter insert, an inlet control valve that provides selective fluid communication between the system inlet and the filter vessel, an outlet control valve that provides selective fluid communication between the filter vessel and the system outlet, and a first access platform is positioned proximate the inlet and outlet control valves, wherein the inlet and outlet control valves are positioned for access from the first access platform at one or more ergonomically appropriate heights relative to an upper surface of the first access platform.