Orbit 55060 Sprinkler System Voyager II 4-Inch Adjustable Pop-Up Gear Drive Spray Head with 25-to-45-Feet Coverage The no.1 selling Gear Drive with a quiet and smooth rotating spray Ideal for medium-large to large areas Easy to adjust area coverage 35-45-Feet radius Simple adjustment for full or part circle (40 to 360-Degree) Large removable filter to resist clogging. 4-Inch Pop-Up Height