Aqua Burst HF30 3/4" Full Circle Brass Impact. This sprinkler features a heavy-duty brass construction that rotates to a 3/4" full circle making this one of the top of the line 3/4" sprinklers available in today's market. The HF30 3/4" is constructed with a cast drive arm with I-beam along with the drivespoon technology for improved balance, rotation and speed. This HF30 can be equipped with a rear spreader nozzle (sold separately) along with a choice of 5 different plugs in the event you don't need the rear nozzle making this very versatile. The Aquaburst HF30 3/4" Impact Sprinkler is built by a company that is passionate about quality and customer service. They are mixing older brass impact designs with today's multi-composites to create innovative impact sprinklers for today's market.