Sewer Jetter Nozzles: The button nose nozzle has a front jet at 0° angle that can clear blockages, and three rear jets at 33° angle can effectively flush away debris; the rotating nozzle has three backward rotating jets, which can penetrate the clogged pipe and move the nozzle through the pipe for even cleaning; the side corner jetter nozzle can easily deal with blockages at corners, making cleaning thorough.