Clear ventilation must be maintained, especially in industrial and commercial spaces where there is a considerable number of people present. One example of a unique and creative solution is the Light Duty Balance Ventilation Door, manufactured by ZACON provide controlled airflow in facilities where it may be critically important. These doors are especially beneficial in environments like underground mines, manufacturing plants and storage buildings. Balanced personnel doors continue to be a dependable and durable option for ventilation with entry management as it is built up with upgrades in technology.