XL Critter Quitter Installation in Wisconsin

Here is a before and after picture of an XL installation in Wisconsin. They are very happy. Notice how much the lead was chewed up on the vent before the Critter Quitter was installed. That’s a lot of water, and snow in this case, getting into the roof decking and attic. We install breathing holes into XL units when they are used up North in the event of a snow plug.