Green Thumb, Poly, Impulse Sprinkler Head, 5,800 SQFT Coverage, Fits Any 1/2" Standard Connection, Provides Full Or Partial Coverage, Patented Impulse Arm Saves Water By Eliminating Back & Side Splash, Diffuser Screw Allows Easy Fingertip Adjustment Of Water Stream For Even Coverage, Impact Resistant, Rust Resistant Polymer Construction.