When it comes to home maintenance, protecting exterior vents is an essential, if often overlooked, job. We recently needed to replace a flimsy plastic dryer vent cover that had cracked and was letting cold air in and attracting pests. My choice for the upgrade was the Funmit 4'' Metal Dryer Vent Cover  because it promised heavy-duty stainless steel and a pest-proof design. My husband handled the installation, and as the reviewer, I analyzed its durability and design against t