The Rain Bird 1800 Professional 4in Pop-up Spray Head Sprinkler 1804VAN is a reliable and efficient watering solution for lawn irrigation systems. With a maximum flow rate of 4 GPM and an adjustable spray width and length, this spray sprinkler is suitable for covering a maximum area of 750 ft³. The black plastic sprinkler features a threaded connection of 1/2" and can be installed in gardens underground. Designed with a 20°-360° irrigation sector and a spray range of 8 to 15 ft, the Rain Bird 1800 Professional Series sprinkler offers precision watering for a well-maintained lawn.