Duplex Impact Drive Sprinkler is constructed with a heavy cast aluminium body, brass drive arm and brass lower turning union. Features include adjustable stops for full or part circle coverage, an adjustable jet breaker for changes stream pattern and a quick change nozzle setup all supported by a 2 inches female standard pipe thread connection. The Duplex is a dual port sprinkler with a secondary stream nozzle located just above the main barrel to cover close and intermediate ranges.