Integrates together with your patio or window awning for a sleek, unified look. Built in concealed center roller enhance stops any roller assembly sag you see on all other slide -out products in the marketplace. Mounting screws are completely hidden to complete of the look as not to detract from the wonderful thing about your RV. Fits slideout extensions as much as 42”. All hardware is extruded aluminum for long-lasting durability. The Sideout Kover III is to be had with the usual wind deflector or with a full-enclosure aluminum case that protects the material. Standard color is white vinyl with white deflector or full case and endcaps. Comes complete with awning rail and mounting hardware.