It has a filter to trap debris and prevent nozzle clogs so it guarantees many years of use. This Orbit sprinkler is built of durable plastic and has a 1/2-inch female-threaded inlet. This bubbler sprinkler is ideal for watering small areas of trees, flowers and shrubs. As part of a garden watering system or as a single sprinkler head, this Orbit bubbler is easy to install and operate, making it perfect for your shrub and garden areas. Features and Benefits: Ideal for watering shrubs, trees and flowers, Features an inlet filter to prevent clogging, Water flow easily adjusts with the top screw, Has a 1/2-inch FNPT (Female National Pipe Thread) connection.