I can tell you how to measure for the correct slide out awning, and it's actually really simple and will only take a moment. So all you need to do to determine the correct slide-out awing is simply measure the entire width - from outside flange to outside flange - of your slide out and that's it.
For example, if you measured, and the width - including the flanges - was between 116" and 121" wide you would need the Solera RV Slide-Out Awning - Black # LCV000182037 or White # LCV000163293.
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