The Greenheck (Venco) CSP-A200 Inline Cabinet Fan is a ventilation component designed to move air through ductwork in compatible commercial and industrial HVAC systems. It uses a motor-driven fan wheel to provide consistent airflow for ventilation and exhaust applications. Its cabinet design supports installation within ducted air distribution systems, helping improve indoor air circu... https://www.partshnc.com/greenheck-csp-a200-inline-fan-cabinet