The Thule 8701 AirScreen 38" Wind Fairing reduces noise, offers unique styling, and installs in about five minutes. The Thule AirScreen Fairings are designed to reduce wind noise by redirecting air flow up and over your roof rack system. Thule AirScreen fairing is easy to assemble and attaches without tools. AirScreen Fairings fit Thule AeroBlades, AeroBlade Edge and square bar. All installation hardware is included. AirScreen's AeroBlade clamps provide full access to the upper T-Track in AeroBlade Bars for quick and easy accessory mounting and removal.