Designed to allow air to be vented to the atmosphere while stopping outside air and pests entering the system when not in use.
Technical Data: The gravity louvered vent is designed to allow air to be vented to the atmosphere while stopping outside air and pests entering the system when not in use.
Performance: The gravity louvered vent is designed to allow air to be vented to the atmosphere while stopping outside air and pests entering the system when not in use.