Durable Aluminum Material: The gutter filter is made of aluminum alloy, which is rust-resistant, strong, durable, corrosion-resistant, and wear-resistant. It has a long service life and is reusable. The material structure is robust enough to withstand various weather conditions and prolonged sunlight exposure, making it suitable for long-term use. Adjustable Size: These 3-inch gutter guards can be easily bent and adapted to fit most gutter systems, ensuring a secure and customized fit. They are compatible with downspouts ranging from 2 to 4 inches in diameter, including both rectangular and circular gutters. No More Clogging: The metal gutter guard effectively prevents leaves, stones, dirt, branches, and other debris from entering and blocking downspouts. This helps extend the lifespan of the drainage system and reduces the need for frequent cleaning, saving time and effort. Easy Installation: Simply adjust the gutter guard to a slightly smaller diameter than the downspout, insert it into place, and secure it. The design allows it to extend into the gutter for a firm hold and optimal performance. Widely Used: Metal gutter guards help keep roof debris such as moss, twigs, and other organic matter out of the drainage system. As a practical rainwater protection solution, they are reusable and suitable for typical residential gutter systems, helping maintain optimal gutter function and reduce the risk of costly repairs or permanent blockages.