With a durable plastic body, this sprinkler circles in a quarter pattern. Debris and dirty water stop at this Orbit sprinkler's inlet filter so it runs cleanly and effectively for years. A top screw allows for water flow adjustment from a light trickle to a full-on flow. 1/2-inch FNPT (Female National Pipe Thread) connection allows it to connect to a riser as a single unit or as part of a garden sprinkling system. This bubbler sprinkler is easy to install and operate for all your flower and garden watering needs. Features and Benefits: Covers areas up to 4 feet, Top screw easily adjusts water flow, Has 1/2-inch female threading, Inlet filter prevents debris and dirty water intrusion, Sprays in a quarter-circle pattern.