a rain - gutter cleaning system has an agitator head that is mounted to the top end of a long suction tube and pole and supported aloft by them . a vacuum pump on the ground is connected to bring rain - gutter debris down the suction tube and into a collection bag . the agitator head includes opposite , synchronized rotating paddles that tear and break up tangles and clogs encountered in a rain gutter and that helps direct the loosened debris down the throat of the suction tube . an optional camera mounted atop the agitator head allows an operator on the ground below to see the performance inside of the rain gutter on a small monitor screen .