USED Thule Airscreen - The Airscreen by Thule redirects airflow over your roof rack for a quieter ride. It Attaches to Thule AeroBlade, AeroBlade Edge and SquareBars with the included hardware, and no tools are required for assembly or installation. New system-specific clamps provide the Thule AirScreen clean and secure mounting, and AeroBlade and AeroBlade Edge clamps give you full access to the upper T-track for quick accessory mounting and removal. The Thule Airscreen will transport you to your next adventure with a little more peace and quiet.