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: which provides excellent 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. Scope of application: rooftop / balcony / outdoor / garden/Ditch Function: large displacement to prevent blockage Colour: silver Material: aluminum Size: diameter 7.6cm Package Contents: 9 x drain pipe filter cap Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.