Rilsan flexible pipe of 1500 mm length and 6mm diameter ended with a metal nozzle, the bend angle of which is 90º and the stream has a fan shape. Rilsan flexible pipe of 1500 length and 6mm diameter ended with a simple metal nozzle and the stream of a round shape 360º. Rilsna flexible pipe of 1500 length and 6mm diameter ended with a simple metal nozzle and the stream of a half spherical shape.