1.1 Front 6 Rear 1/4" Pressure Washer Drain Cleaning Jetter Pipe Dredge Nozzle. 3.1/4" quick insertion pipe dredging cleaning nozzle. 关键词：High-pressure Nozzle. 1PC Cleaning Nozzle. Suitable for general water pipe flushing and cleaning, providing excellent cleaning effect and cleaning up blocked sewers.