The universal spray gun for cold water is designed to replace or upgrade your existing spray gun for your pressure washer. This spray gun is equipped with a trigger safety lock-out and can be used with pressure washers with a standard m22 spray wand connection. Fits m22 or qc high pressure hose connections (qc adaptor included). Its ergonomic design and easy pull trigger helps reduce hand fatigue for all day use also equipped with a pivoting side assist handle for added control and comfort.