Are you looking for a practical and inexpensive solution to clean those tall windows or solar panels? This product is an ideal choice! This is a fully expandable, water-filled cleaning system. Can be connected to a clean water system or a garden hose. Features: Multifunctional water spray brush, high-altitude cleaning. Using high-density reinforced aluminum alloy, high hardness, not easy to rust and light weight. It will not bend even if it is 10 meters long. The steel buckle is fixed for easy installation and removal. Shatterproof connection design can be used with a variety of cleaning tools to perform high-level cleaning operations. Pure copper switch, anti-corrosion and more durable. Universal design, the brush head can rotate freely. Product parameters: Material: aluminum carbon fiber Brush width: 35cm Locking method: twist lock Water supply hose: 20M Specifications:12FT 3.6m,18FT 5.4m,20FT 6m,24FT 7.2m,30FT 9m,36FT 10.8m Scope of application: window cleaning, photovoltaic panel cleaning, bus exterior cleaning, large vehicles, trucks, trucks, caravans, boats, etc. Please note: Manual measurement of this product may have an error of 1-3 cm, which is a normal difference. If you have any questions, please email us. We will reply you within 24 hours and provide you with the best service.?MULTIFUNCTIONAL USE?: The suit contains a soft multifunctional brush head and a powerful cleaning tool for retractable aluminum tubes. The ideal solar panel cleaning tool, it can also be used to clean cars, trucks, vans and windows, greenhouses, boats, decks, etc. ?NON-SLIP HANDLE?: Non-slip sponge handle, soft handle increases comfort, insulated against cold water on the handle, easy to adjust by the included gooseneck. Effortlessly remove dust and stains from every corner. ?WATER PURIFICATION BRUSH?: 35cm large water hole brush head, brass quick connector, with 20m water inlet hose, easy to connect to any faucet. The hose can be connected to the brush head to drain water and quickly clean anywhere. ?QUALITY MATERIAL?: The telescopic rod is made of carbon alloy, which has high hardness, good heat resistance, corrosion resistance and easy to carry. Very hard-wearing and soft feather bristles ensure safe surface cleanliness. ?ADJUSTABLE HEIGHT?: The length of the telescopic pole can be freely adjusted to clean the highest point and inaccessible corners. It is freely connected by a carbon alloy tube and fixed with a steel buckle, perfectly closed and install and disassemble.