High-density reinforced aluminum alloy construction ensures the solar panel cleaning brush is hard, rust-proof, and lightweight. Each rod weighs just 0.25Kg, making it easy for the elderly and women to use. Durable and soft feather bristles provide safe surface cleaning. The included 20m hose meets cleaning needs at any height with ease. Extendable cleaner features a 30-50cm water hole large brush head and brass quick connector for easy attachment to any faucet, enabling quick and efficient cleaning anywhere. Ideal for conservatory roof and other high or hard-to-reach areas. Telescopic brush extends up to 24ft, with a brass hose fitting that easily attaches to garden hoses. Compatible with any standard hose connector (quick coupler not included), offering flexibility and convenience for various cleaning tasks. The extendable cleaner conservatory roof cleaning kit boasts a free connection system, secured by a steel buckle for a closure. This design ensures easy installation and removal, enhancing user convenience and efficiency. Versatile application range includes cleaning high windows, solar photovoltaic panels, vehicles (cars, trucks, vans, caravans), windows, greenhouses, boats, and decks. The anti-break joint design supports a wide range of cleaning methods for advanced cleaning operations.