The Kärcher KA41120680 Foam Lance DUO Advanced TR is a genuine Kärcher accessory designed for professional high-pressure cleaners. This advanced foam lance features a dual-function design, allowing for precise adjustment of the detergent dosage and the spray angle. It is engineered to produce a powerful and consistent foam, enhancing cleaning performance for various applications. The DUO Advanced TR model is built for durability and efficient chemical application, making it an essential tool for effective and thorough cleaning with compatible Kärcher machines.