Practical Home: Our gutter guards avoids leaves, debris, roof , twigs, and other dirt from clogging downspout pipe or rain gutters, and blocks from climbing upSturdy Material: These gutter strainers are made of waterproof aluminum alloy, ensuring durability, waterproofness, and weather resistance for long term useProtect from Burrowing: Not only do our leaf guards give leaf filter, theyre also a great downspout protector against , avoid them from burrowing in your gutter spoutEasy to Use: No tools required, simply place it into the downspout hole and push it into the right placeNote: Please wear gloves when working with these strainer mesh to avoid scratches from sharp edges Specification: Material:Stainless Steel Size Chart: for 40mm to 50mm Package Includes: 1x Downspout Filter Note: Please allow slightly errors due to manual measurement and different monitors.