Product Name: 4PCS Expandable Aluminum Gutter Guards Leaf Filter Strainer Model NO.: YSCH20080702 Weight: Light-weight Specifications: Mesh Hot-galvanize Technique: Wire Annealing Galvanized Surface Treatment: No Stamping Expanded metal Mesh Category: Expanded metal Mesh Surface Treatment: Anodic Oxidation Weave Characteristic: Stamping Usage: Protection, Water Conservancy Construction Hole Shape: Diamond Application: Protecting Mesh, Filter, Sieving Diversified Pellet Material: Aluminum-Magnesium Alloy Plate Transport Package: Carton Origin: China Product Description 4PCS Expandable Aluminum Gutter Guards Leaf Filter Strainer for Protecting Downpipe Products DescriptionMaterialStainless steel , Aluminum, Iron, etc.Hole ShapeHexagonal/DiamondHole size10*20mmDiameter3 inch or CustomizedHeight5 inch or CustomizedFeature1)PREVENT BLOCKAGE- The gutter guard screens prevent blockage and protect against leaves, moss, twigs and other debris; prevent a small rodent from entering your drain spout2)EASY INSTALLATION- Install the mesh cover in seconds, no tool necessary; An easy DIY home improvement3)ELIMINATE THE HASSLE- Stop spending unnecessary time and effort unclogging and cleaning your drainage pipe ; stagnant water is an invitation for mosquitoes and other insects4)FLEXIBLE MATERIAL- The adjustable protectors are push-fit and can be squeezed to fit smaller diameter openings; accommodates most rain gutter systemsApplicationFits both square and round downspouts and can be used to help prevent clogged downspouts and drainpipes.Details Images