Prevent clogs and protect your drainage system with the Amerimax 2.8in W X 3in L Gray Aluminum Gutter Strainer. Crafted with aluminum for durability, this strainer easily fits round and square downspouts without the need for special tools. Plus, it works with a wide range of gutter size, from 4in-9.4in. Keep your home safe from the elements with Amerimax!