Compatible Brand and Model: This triangular seal is specifically designed for Kärcher K-series K2 and K3 pumps. It fits precisely on the molded sealing control and cylinder head components of these pumps, ensuring a good seal of the equipment. Aesthetic Features: The triangular seal consists of a continuous, simple, and regular ring structure. Made of black or dark rubber, with a smooth surface, a uniform texture, and even, burr-free edges. Material Properties: Made of highly elastic and durable rubber, it has excellent sealing performance, effectively preventing liquid or gas leakage during pump operation. At the same time, the rubber material has good corrosion resistance and can adapt to the complex chemical environment inside the pump. Function and Usefulness: As a pump accessory, it is mainly installed on the molded sealing control section or the cylinder head. It plays a sealing role, maintaining the pressure stability of the pump, ensuring efficient and stable pump operation, and preventing efficiency reduction or equipment damage due to leakage. Easy Installation: The installation process is relatively simple. The triangular sealing ring only needs to be precisely placed into the corresponding sealing groove of the pump. It is easy to replace and maintain without complex tools, effectively saving repair time and effort.