Material: The gutter filters are made of 304 stainless steel, lightweight, rustless, good filtering effect, sturdy and durable; SIZE: as the picture shows; Suitable for tubes with a diameter of 83 mm. Suitable for round sewer pipes and suitable for extremely hot and cold temperatures. Downpipe Gutter Filters: Use these gutter guards to prevent these sheets from blocking or clogging your pipes, thus preventing problems drainage. It can effectively prevent dead leaves and debris from entering the water pipe and causing blockage. Hollow Design: Our steel gutter filters will prevent leaf debris, moss from roof, twigs and other dirt from clogging your pipes. No more spending a lot of time cleaning the entire drain and downspout. Easy to Use: Quick installation and easy cleaning; Just plug them into the drain pipe, which is very simple and convenient. It is a good helper to prevent leaves and other debris from blocking the drain pipe. We hope you can have a pleasant shopping experience. If you have any questions, do not hesitate to contact us. We will get back to you within 24 hours.