Spinning Irrigation Nozzle can cover over 20'! This Irrigation nozzle assembly is an excellent option for watering covering a large area. Nozzle assemblies quickly attach to our Weighted Butterfly Hangers and feature an anti-mist device for higher distribution uniformity. Nozzle covers an area approximately 21' x 8' and uses about 23.8 gallons per hour (coverage/water usage will vary with water pressure and distance above plants).