HY-C RVG3030 Stainless Steel Roof VentGuard with Wildlife Exclusion Screen, 30" x 30" x 12" Made in the USA Vent guards protect your home from wildlife such as raccoons, squirrels, birds and other nesting animals Made from heavy-duty 18 gauge expanded mesh in stainless Steel Available in multiple sizes to fit a wide variety of vent applications Screens provide a clean, professional-looking exclusion option and also saves precious installation time