The STIHL 49255001325 is a genuine OEM pressure washer spray gun designed for optimal performance with STIHL RB series pressure washers. This durable spray gun features an M22 threaded hose connection and a 1/4-inch quick connect nozzle fitting, ensuring compatibility with standard accessories. It is engineered to handle a maximum pressure of 2900 PSI and a maximum water temperature of 140°F, providing reliable and efficient cleaning power for various applications.