Our gutter guards are made of durable aluminum and are solidly constructed to last, even in harsh weather. Corrosion, water, and weather resistant, they stay in place, and you won't have to go back up onto the roof to install them. Our expandable gutter guards fit most gutters. These 3-inch filters fit gutters from 2 to 4 inches. Protect rodents, dirt, and clogged leaves. Keep your gutters free of standing water, which is a breeding ground for insects. Installs the gutter guard in seconds without tools. Simply insert our filter into each nozzle. Save time, energy, and money. These fine mesh guards protect against leaves, moss, and other dirt, sediment, and harmful objects, and protect against downspouts and drains. These gutter guards can withstand harsh weather conditions such as snow, hail, sun, and extreme cold. It can be used on outdoor terraces, roofs, gardens, balconies, gutters, etc. Specification: Product Name: Metal Gutter Guard. Material: Aluminum Color: Silver Dimensions: 8.5 x 16 cm/3.35 x 6.3 inches Weight: 100 grams Package Included: 4x Aluminum Filter