Selected Material: Each size of the gutter guards consists of a different number of 304 stainless steel tubes with a diameter of 4mm, the thick steel tubes have good stability and firmness that are not easily deformed. Selected 304 stainless steel by mirror polishing process, the surface is smooth and has a natural metal shine Dimensions: 110 x 95 mm. It has anti-corrosion, anti-rust, resistant to acid and alkali environments, even if the wind, sun and rain are not reserved for rain, can be used for a long time Large displacement design: The roof downspout leaf filter consists of a number of 304 stainless steel tubes, with gaps between the tubes to allow rain or stagnant water to pass smoothly on rainy days, while intercepting leaves, branches and other large debris in the water to prevent clogging. When it is not raining, the pipe protectors are protected from birds, mice, squirrels and other small animals Easy to use: The 304 stainless steel pipe protectors are easy to install with a flat bottom and do not require any other tools. Just place them in the hole of the downspout and push them into the correct position. Please Note: Wear gloves when using the filter as the sharp edges can cut your hands Widely Used: The roof downspout leaf filter prevents leaves, debris, roof moss, tree branches and other dirt from clogging downspouts, gutters, drains and more on roofs, swimming pools, balconies, parks, gutters or anywhere else, making it easy to clean and protect pipes, saving a lot of money on replacements and repairs Note: The data are all measured manually, please allow 1-3cm error due to different light and display, there may be some color differences, please refer to the actual item received.