The Hunter PGP irrigation sprinkler is easy to install, easy to adjust, guaranteed reliable and the best value money can buy. This gear drive sprinkler is the most popular rotor lawn pop-up sprinkler for both residential and light commercial applications. Installation is easy because of it's compact design and fast hassle-free arc adjustment, 40o-360o wet or dry. A unique “through the top” adjustment mechanism allows modifications to be made quickly and precisely whether the sprinkler is on or off, while the rubber cover protects the adjustment sockets from the intrusion of debris. Included is a complete set of interchangeable nozzles which provides excellent coverage from 20' - 45' radius (6.5 - 14m).