PatnRich wrote:
I know my Keystone Montana has these. They are called Mushroom Roof Attic Vents. These covers screw on and you need to purchase base and cover as a set. They should be available at any Keystone dealer.
Here is a link to the item available on Ebay.
http://www.ebay.com/itm/Mushroom-Roof-Attic-Vent-Used-On-Keystone-Thor-RV-Trailers-White-/222017060619?hash=item33b13f7f0b:g:EmQAAOSwzJ5XdtTK&vxp=mtr
Thanks - yep, that's what my Keystone has for attic vents ... I was a bit too quick in my post of the "almost but not quite the same" links to CW ...