Feature: 1. You can choose two sizes of brush heads: 35cm 55cm 2. The brush is rotatable and multi-angle adjustable, effectively removing dirt, grime and grime 3. To ensure sufficient water supply, the unit is equipped with 20m water pipes, joints and other accessories 4. It will definitely help you clean your windows more efficiently so you can get on to the next job faster! Window cleaning equipment will make your job safer, faster and easier Specification: Product name: Photovoltaic panel cleaning brush Material: Aluminum alloy Mother tube diameter: 2.9 cm Pipe diameter: 2.6 cm Part: 3 Brush head length: 35cm, 55 cm(Optional) Pipe diameter: 23.4 mm Size: 3.6 m Packing list: Brush head 1 Telescopic rod 1 Water distributor 1 Glass scraper 1 Universal joint 1 Faucet connector 1 20 m water pipe 1 Notice: 1. Due to different lighting effects and computer monitors, there may be color differences 2. The size is measured manually and there will be an error of 1-2 cm 3. Due to logistics issues, You will receive two packages with different arrival timesCUSTOMER SATISFACTION: Your needs are our pursuit. If you have any questions about the product, please feel to contact us, we will provide 24 hours feedback and solve it for you as soon as possible. WIDE APPLICATION: Suitable for high-altitude window cleaning, solar photovoltaic panel cleaning, cleaning cars, trucks, vans, caravans, windows, greenhouses, boats, decks, etc. CONVENIENT WATER SUPPLY: Our custom water supply pole is fun and easy to use, simply connect to any standard household water source, turn on the faucet and you can clean your windows in no time. Simple and straightforward to use, the water supply brush easily attaches to your garden faucet with a standard hose fitting. PHOTOVOLTAIC PANEL CLEANING WATER SPRAY BRUSH: This cleaning brush has multiple uses. It can be connected with a brush to spray water for cleaning, or a scraper. A great tool for cleaning photovoltaic panels. Using this tool saves effort in cleaning, will not damage the sur-face of the photovoltaic panel, and can improve the power generation efficiency of the photovoltaic panel. CLEANING TOOL FUNCTION: Keep your rooftop solar panels up and running while saving time. By effectively removing impurities on the sur-face of photovoltaic panels, the working efficiency of photovoltaic panels can be improved, power generation can be increased, and energy can be saved.