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, and 2-1/2" pop-up clearance. 1/2" NPT side inlet and 1/2" or 3/4" NPT bottom inlet. For large and medium area watering requirements. Full or part circle coverage. 2 nozzles 9/64" and 5/32". Functions well on low or high pressure.