Durable Aluminum Material: The gutter filter is made of aluminum alloy, 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 weather conditions and sunlight, and also suitable for long time use. Adjustable Size: You don't know exactly the size of your drop holes, 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). No more Clogging: The metal gutter protection cover can effectively prevent leaves, stones, dirt , branches, etc. from spilling out and blocking the downspouts, and prolonging the life of the pipe, you do not need to clean the pipes multiple times, saving time and effort. energy without worrying about sinks and drains Easy Installation: Simply adjust the diameter of the gutter guard to be a little smaller than the diameter of the gutter downspout, insert and secure. the, but also extends into your gutter to ensure a firm hold and prevent blockages. 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 that your gutter system stays in good condition for longer without costly repairs and permanent clogging.