Weathermatic's Adjustable Arc nozzle series (AAN) offers easy grip-and-turn adjustment, wet or dry. Exceptional uniform coverage. Flows increase or decrease proportionately with radius adjustment to maintain matched precipitation rates (MPR) between arcs within a radius. New! Insert a coin in adjustment slot to easily set arc range from 0° to 360°. Fits LX Series Sprinklers, LXS, 72 and 73 Shrub Adapters. Color-coded for easy identification, Stainless steel radius adjustment screw. Screens and adjustment coin included with nozzles.