Rain Bird A17H Shrub Spray Nozzle, 180&deg; Half Circle Pattern, 8' - 15' Spray Distance Shrub spray nozzle with 180 half circle pattern; adjustable 8' to 15' spray distance Designed to mount above ground on 1/2" riser to clear shrubs and tall plantings Matched flow rate assures uniform watering even when different patterns are mixed in the same zone Filter to catch debris and keep nozzle clean Stainless steel adjustment screw adjusts flow rate and spray distance Compatible for use with all Rain Bird MPR spray nozzles Constructed of highly durable UV and chemical-resistant materials to assure long life