To provide an economical jetting tool for washing capable of reducing cost for washing such as car washing, by improving a jet device of washing fluid mainly using water in a car washing device to save the washing fluid without impairing car washing performance.

The jetting nozzle device comprises a switch valve 21 switching a first flow-in state taking a cleanser water sent through a first supply hose 22 into a single liquid transporting passage 50 of a grip gun element 19 and a second flow-in state taking tap water sent through a second supplying hose 23 into the liquid transporting passage 50; and a nozzle 47 jetting fluid flowing into the liquid transporting passage 50. An air supplying portion 52 mixing high pressure air is equipped at a part 49 near the nozzle 47 in the liquid transporting path 50.