Rain Bird 25PJDAC Brass Impact Sprinkler, Adjustable 20° to 360° Pattern, 20' to 41' Spray Distance. The #1 best-selling brass impact sprinkler; delivering reliable performance season after season. Designed after Rain Bird's original impulse sprinkler first patented in 1933, with all the features and durability of modern engineering. Designed for long-life, this heavy-duty sprinkler is constructed of brass, bronze, and stainless-steel. Easily outlasts competitor's zinc sprinklers. Easy to install and adjust, full (360°) or part circle (20° to 340°) coverage with infinite pattern adjustment. Straight through water flow design for superior dirty water performance (irrigation canals, ponds, high-mineral content, etc.). Adjustable deflector flap adjusts stream length from 20’ to 41’ radius. Diffuser screw breaks water into smaller droplets for uniform watering and allows up to 25% radius reduction. Water-saving die-cast, white bronze PJTM spray arm controls stream, prevents side splash onto buildings and walkways. Spacing up to 50' apart with high gallonage output. 1/2" male pipe thread outlet connection for easy installation to risers etc. Rain Bird “The Intelligent Use of Water"