The 1/4 inch quick connect is easy to connect with most high pressure washer accessories. Suitable for many electric / gas-powered pressure washers up to 4, 000 PSI. For example, Simpson, Sun joe, Pohir, Karcher, Pohir sewer jetter hose can be connected to pressure washer pump with American standard M22 to 1/4" connector. It can also be connected to pressure washer gun or pressure washer wand via the 1/4" quick connector.