Rain Bird 1804VAN - 4" Professional Pop-up Sprinkler - 5 Pack - Adjustable Pattern (0 to 360 Degrees) 5 Rainbird 1804 spray heads Comes With Adjustable Nozzle Already Installed In Each Head 4" Pop-up Height Adjust arc without tools, 0-360 degrees 6" (15,2 cm) body height; 4" pop-up height (10.2 cm) Exposed surface diameter: 2 1/4" (5.7 cm)