HP Inner Fitting ensures a secure and reliable connection between the high-pressure hose and the pressure washer, minimizing the risk of leaks or loss of pressure during operation., Made with high-quality materials, the inner fitting is built to withstand the high-pressure environment and provide long-lasting performance., With the Karcher HP Inner Fitting for K5, you can expect professional-grade performance, enabling your Karcher K5 pressure washer to deliver optimal cleaning power.