"Gutter filter cover: contains 4 adjustable metal drain filter screens, the size is 17*8CM, it can be cut into the drain size that best suits your needs, and it is packaged in a box. Scope of application: suitable for drainage ditches, eaves, underground ditches, sewers, etc., to prevent clogging of flowers, leaves, silt and other debris. Save yourself the trouble of unclogging drains. Adjustable Size: Our aluminum drain filter can be easily bent to fit your drain system. It is suitable for drain pipes conventional sewers of most sizes and can also be cut to any length. Installation is simple: installing the downspout filter requires no tools, just adjust the diameter of the filter to be slightly smaller than the diameter of the water pipe, then install and secure it. Durable material: The gutter filter is made of aluminum high quality, sturdy and durable, not easy to rust, even in winter, snow, hail, high temperature and other bad weather."