I'm sorry - no, it's not a pre-manufactured Class B, it's a 1998 Dodge Ram conversion van that we are currently converting to a full-on camper van.
There are the two primary hinges on each side door (of course) and in between there is a "stay hinge" that prevents the doors from slamming all the way open in high winds, uneven parking spots, etc.
It's not a big deal, but it would be nice to have the doors open completely. I have already fabricated vinyl "sleeves" that protect the interior of the doors from rain, birds, etc.
Regarding the magnetic screen, drsolo, I bought it many moons ago from J.C. Whitney. But, I've actually made others for my driver/passenger windows. They are quite easy to fabricate - just buy fiberglass-type home window screening (not the old metal mesh type - it's not flexible enough and won't go through sewing machine), and sew hemmed/folded trim around the edges. Just insert the magnets as you go and stitch them in place where you need them.