[Gutter protection grid]: Once the leaf filter is clogged, it is difficult to remove and mosquitoes may grow. With our gutter protection device, you can now ensure that gutters and gutter protection are protected against moss remnants, branches and dirt. No need to spend a lot of time and energy to clear clogged pipes. [Expandable structure]: The aluminum gutter guard is suitable for most sizes of conventional downspouts and can be adjusted to fit your gutter system. This means a perfect fit and better filtration efficiency. The expandable gutter guard with 3 inch blade guard, is flexible for most downspouts of different sizes from 2 to 4 inch (rectangular and circular gutter) [High Aluminum Material Quality]: The metal gutter guard is made of high quality aluminum, is lightweight, not easy to rust. The appearance of light silver is very beautiful. The material and structure are strong enough to withstand all kinds of weather and sunlight, so it can be used for a long time. Easy to install: they can be installed without no tools. Just adjust the diameter of the gutter guard so that it is a little smaller than the diameter of the downspout, insert it and fix it. Can be extended into the gutter to ensure a perfect fit and prevent clogging. (Please wear gloves before use to prevent the tip from hurting your hands) [Convenient and cost-effective 4-piece] The kit contains 4 aluminum pipe grids that can be cut to size from your gutter. As a practical rainwater pipe protection device, it is reusable, you dont need to spend time and money to clean the whole drain and downpipe. p