Brass impact sprinkler delivering reliable performance season after season. Designed after Rain Bird’s original impulse sprinkler, with all the features and durability of modern engineering. This heavy-duty sprinkler is constructed of brass, bronze and stainless steel; lasts longer than competitors’ zinc sprinklers.Straight through water flow design for great dirty water performanceAdjustable deflector flap adjusts stream length from 20 to 41 ft radiusDiffuser screw breaks water into smaller droplets for uniform watering and allows up to 25% radius reductionWater saving die-cast, white bronze PJ spray arm controls stream and prevents side splash onto buildings as well as walkways