The Rain Bird 24RNVAFPRO W22102 high efficiency rotary nozzle offers water savings of up to 30 over a standard popup spray nozzle It covers a distance from 1724 feet with a 45 to 270 degree adjustable watering pattern Rotating streams of large water droplets reduce runoff and provide uniform coverage, even in windy conditions The 24RNVAFPRO can replace your current popup half and Quarter pattern spray nozzles to start saving water To clear debris that may block part of the nozzle simply pull up the nozzle while water is running, and the debris will be flushed out Replacement for item 259846 and 271971 spray heads