A Blind/Shade cover for the Maxxair Maxxfan. 

This closeable blind allows you to block light coming through the maxxair maxxfan when you want darkness inside, perfect for blocking out UV and light in sunny summer days and keeping your van cooler in the summer.

Has a fully retractable, spring loaded roller shade with secure 'snap-lock' closure allowing for easy use, and does not interfere with the fans normal use.