High quality material: The pressure washer fitting is made of aluminum and hard plastic shell, which can ensure durability, wear resistance and corrosion resistance. Easy operation: pressure washer hose inline connector Karcher high pressure, one-button quick-connect interface is fixed firmly and securely without water leakage or pressure relief. Multi-function: other end of adapter can be connected to a high-pressure cleaning hose ( M22 14mm connector) to extend the hose or install it in Karcher pressure washer. Suitable machine: Karcher pressure washer or Karcher pressure washer hose. Product description specification Universal pressure washer connector connects the pressure washer spray gun to the hose. fits many brands of pressure washers and hoses with M22 14mm fittings. Note: The inner diameter of the M22 14mm threaded fitting is 14mm, pitch 15mm. If your pressure washer fitting is 15mm, there may be a leak. 1. One end of the quick connector is inserted into the Karcher hose and the other end is connected to a high pressure cleaning gun or a high pressure cleaning machine. 2. The m22 connector connects to one or two quick connectors of different types of hoses. 3. It is suitable for the general connection of spray gun, hose and pump, easy to connect and disconnect.