Teardrops n Tiny Travel Trailers

I was able to pick up this 228D but as you can see it has the wrong vent. Does anyone have a vent that they would be willing to part with? I would also be interested in trading or selling the vent I have since I have no use for it.

Try here: http://www.oldcolemanparts.com/home.php. He has all kinds of old, hard to find Coleman parts/accessories.