1″ Male-Threaded Brass Aerated Spray Nozzle, 2″ OD x 1-1/8″ ID.
This is an adjustable heavy nozzle. If the water level increases above the level of the air intakes at the top, the nozzle will produce a taller, thinner pattern. The water stream has a white frothy look and is more wind-resistant. Level dependent nozzles include cascades, bubblers, geysers and most types of aerator nozzles.