Universal, replaces most impact and gear stream heads, regardless of the brand. Heavy-duty high-impact ABS plastic canister. Heavy-duty, anti-grit wiper seal, stainless steel retractable spring, and noncorrosive plastic impact head. Diffuser pin assembly, anti-backsplash arm, flow-thru design for superior dirty water performance, and 3 In. pop-up clearance. 1/2 In. NPT side inlet and 1/2 In. or 3/4 In. NPT bottom inlet. For large and medium area watering requirements. Full or part circle coverage. 2 nozzles 9/64 In. and 5/32 In. Functions well on low or high pressure.