1. Drain pipe cleaning tool: The filter can prevent debris such as leaves, seeds and other debris from clogging the drain pipe and keep the water flowing smoothly. You'll still occasionally clean up debris that has built up around the filter, making it easier to clean the downspout inside. By preventing leaf debris, branches, roof moss and dirt from clogging your pipes, you can easily ensure that your drainage system remains in perfect condition for long periods of time without costly repairs and constant dredging.2. Durable: Made of 304 stainless steel, the design life is more than 10 years. 304 contains at least 18% chromium and has excellent corrosion and oxidation resistance. Residue washes off easily and remains radiant with long-term use. Our sturdy drain guards will stand the test of time. Don't worry, they'll stay firmly in place no matter the weather, and you won't need to climb on the roof again to reinstall them!3. Installs in seconds: It is different from other drain filters that are not practical. Easy to install, measure the inside of downspouts, no tools required, just push them into the holes. For smaller holes, you can squeeze or use pliers to adjust the snaps to install. You don't have to be an expert or call a professional. Just push them into place4. Practical design: The spherical convex surface design and the slot design of the launder can better block the leaves and debris around the filter. Don't worry about gutters being covered with debris, leaving leaves parked around, dirt and rain entering the pipes. Outdoor floor drains are often easily stepped on by mistake and easily damaged. Our filters have been stepped on, intact and not afraid of being stepped on.5. Various size options: This size is suitable for 8.3cm hole. But we also have other sizes for you to choose, you can choose the size that suits you according to the size of the downspout. Don't worry, you'll be able to keep fallen leaves, dirt and debris out of your downspout in a simple and effective way.