Durable Stainless Steel Material: The gutter filter is made of stainless steel, not rusty, strong and durable, corrosion resistant, wear resistant, long service life and reusable, the material structure is strong enough to withstand all types of conditions weather and sunlight, and also suitable for long-time use. Adjustable Size: Not sure how big your drop holes are, no worries, these 3 inch gutter guards can be easily bent and adapted to your gutter system, which means a perfect fit and better filtration efficiency , flexible, fits pipes of different sizes from 2 to 4 inches ((rectangular and circular gutter). More Clogging: The metal gutter protection cover can effectively prevent leaves, stones, soil, branches, etc. from falling into the rain. from spilling and blocking downspouts, and prolonging the life of the pipe, you do not need to clean the pipes multiple times, saving time and energy without worrying sinks and pipes. Easy Installation: Simply adjust the diameter of the gutter guard so that it is a little smaller than the diameter of the gutter downspout, insert and secure, but also extends into your gutter to ensure a firm hold and avoid traffic jams. Widely Used: Metal gutter guards keep roof moss, twigs and other pet messes dirty, as a practical rainwater pipe protection device, it is reusable, normally enough to meet all the requirements of your home, you can easily ensure your gutter system stays in good condition for longer without costly repairs and permanent clogs.