Of an acorn falling from tree in campground and blowing a hole through lid on vent fan in bathroom. Well that is what just happend to me. How hard are those to replace? It has the brand name Ventline ...
Many years ago my Mom & Dad were camping at a state park under a big shade tree. Pluuuunk, that shade tree dropped a walnut on Dad's head!!:E He had a nice headache the rest of the weekend.