1. GUTTER CLEANING TOOL: The strainer prevents leaves, seeds and other debris clogging gutter downspout, keeps the water flow free. You're still going to occasionally clean out the debris accumulated around the strainer, much easier to clear the downspout inside. 2. Product use: Suitable for outdoor, outdoor, rooftop terrace and other ground water demand, to prevent the blockage of flowers, leaves and other debris. 3. BUILT TO LAST: Made from stainless steel and designed to over 10 years. 304 contains at least 18% chromium, which provides excellent corrosion and oxidation resistance. It's easy to wash away residues, keep shinning after a long use. 4. EASY TO INSTALL: Measure the inner size of downspout, no tools required, simply push them into holes. Specification: Scope of application: rooftop / balcony / outdoor / garden/Ditch Function: large displacement to prevent blockage specification: 110 tube colour: silver Material: stainless steel size: 136x165mm Package Contents: 4 *floor drain cover