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 ...
2980000000000000000000000000000000000000000000000000000000000000000000000 to 1 and no they usually have 4 screws in them. Order the new and put duct tape on the old. Throw the new one away cuz you will bust it puttting it on.