High-quality material: The pressure washer connector is made of aluminum and a hard plastic shell, which can ensure durability, wear resistance, and corrosion resistance. Easy operation: High pressure hose inline connector for Karcher pressure washer, the one-button quick-release interface is firmly and securely fixed without water leakage or pressure relief. Extension function: The adaptable KARCHER connector allows two KARCHER quick-connector hoses to be connected and extended. Adaptive machine: Karcher pressure washer hose.