Carefree TT0970042W SideOut Kover II Slideout Awning Cover Operates automatically with your slideout, Accommodates extensions up to 42 inch A built-in wind deflector prevents the canopy from billowing; Fabric Width 101 inch There is no additional anti-billow device to install or re-adjust Helps keep leaves, dirt and debris off of your slideout and keeps your slide room cooler and cleaner Includes roller, wind deflector, awning rail and White hardware; Roof size range 94 to 97 inches; flange size range 99 to 102 inches; fabric width 101 inches