usbankequipment.com One of the unique features of the 100 Series Vault Door is the emergency vault ventilator. It provides life-saving air, should anyone be confined within the vault. The ventilator is an integral part of the door maximizing usable interior wall space. The ventilator is illuminated and requires only a simple turn to activate and allow fresh air from outside the vault to enter. A passageway in the system permits articles to be passed to anyone inside the vault in case of a lock-in. Click Here To Enter Site

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