Keep hot air moving in the right direction with Vertiv VRA2009. This vertical exhaust duct short is designed for 600 W rack accessory applications where airflow control matters as much as equipment placement. In dense rack environments, unmanaged exhaust can raise inlet temperatures, complicate service access, and reduce thermal predictability. A dedicated exhaust duct helps guide heat away from active equipment and into a defined vertical path, supporting more stable operating conditions in compact enclosures and tightly packed installations. For infrastructure teams, the value is practical: better airflow discipline, less thermal spillover, and a cleaner rack layout. Vertiv’s accessory approach is suited to deployments where cooling behavior needs to be intentional rather than improvised. When every watt of heat matters, a purpose-built exhaust path can help protect performance and simplify long-term operations.