1. GUTTER CLEANING TOOL: The strainer prevents leaves, seeds and other debris clogging gutter downspout, keeps the water 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 corrosion and oxidation resistance. It's easy to wash residues, keep shinning after a long use. 4. EASY TO INSTALL: Measure the inner size of downspout, no tools required, simply into holes. Specification: of application: rooftop / balcony / outdoor / garden/Ditch Function: displacement to prevent blockage specification: 50 tube colour: silver Material: stainless steel size: 73x98mm Package Contents: 1*floor drain cover Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.