Features 1. Multi-functional water brush for high altitude cleaning. 2. Adopt high density reinforced aluminium alloy with high hardness. 3. The steel buckle should be firm, easy to install and dismantle. 4. anti-destructive sealing design, can be used with a variety of cleaning tools, to achieve a high level of cleaning. Product name: glass cleaning brush/photovoltaic panel cleaning brush. Material: aluminium alloy. Brush head size: 30 cm Parent tube diameter: 2.9 cm Diameter of secondary tube: 2.6 cm Water supply hose: 20 metres Size: 3m pole / 4m pole / 5m pole / 6m pole / 7m pole / 8m pole / 9m pole / 10m pole / 12m pole Applications: glass cleaning, photovoltaic panel cleaning, bus/outdoor cleaning, large vehicles, trucks, lorries, caravans, boats, etc. Packing List 1 * Telescopic pole 1 * Water brush 1 * Water collector Water hose 1*20m 1 * Tap connector 1 * Universal joint? HIGH-QUALITY AFTER-SALES: Your satisfaction is our greatest pursuit, if you have any problems after purchg our products, please contact us by email in time, we will actively help you solve the problem. ? WIDE APPLICATIONS: Durable and soft bristles ensure safe and clean surfaces, suitable for cleaning tall windows, solar panels, cars, trucks, vans, caravans, windows, greenhouses, ships, bridges, decks, etc. ? CONVENIENT WATER SUPPLY: The brass hose connector can be easily connected to the garden hose using any hardware store that provides a hose connector (quick coupler, not included). Turn on the tap and you'll be cleaning windows, conservatories, panels and soffits in no time. ? 3M-12M WATER FED TELESCOPIC BRUSH MATERIAL: It is made of strong, lightweight aviation aluminum. Very durable and soft feather bristles keep surfaces clean safely. ? PROFESSIONAL TELESCOPIC WINDOW CLEANING ROD: The length of the telescopic rod can be adjusted freely, which can clean the highest point and hard-to-reach corners. Hold the brush head panel or glass plate at an angle. The universal design allows the brush head to rotate freely, allowing you to easily tackle dust and stains in every corner.