1、High Compatibility: Pressure washer comes with M22 fitting, compatible with M22 14mm and M22 15mm fitting. M22 14mm fitting is replacement for Generac, replacement for Simpson, replacement for craftsman, replacement for karcher, replacement for Ryobi pressure washer. 2、With Adapter: The pressure washer is supplied with M22 15mm fitting which is replacement for Sun Joe, replacement for Campbell, replacement for MITM, replacement for AR Blue, replacement for Stanley, replacement for Cleanforce, replacement for Simoniz, replacement for Excell power washer. 3、Convenient Connection: If your hose has M22 14mm fitting with 14mm inside diameter, please connect to hose directly. If hose has M22 15mm fitting with 15mm inside diameter, please connect the brass coupler to washer and hose for secure connection, convenient for using. 4、Professional Design: Specially designed with a locking safety handle to prevent accidental sprays. There are 40 inch, 25 inch, 9 inch three kinds of lengths to use. And the high pressure washer wands are compatible with almost gasoline powered and electric powered pressure washers. 5、High Performance: Pressure washer wand extension has 1/4in standard quick connector to connect any accessories with 1/4in plug, such as nozzles tips, pivoting coupler, foam cannon, extension wand, surface cleaner, undercarriage cleaner, water broom. Safety trigger lock to prevent unintended operation.