Adjustable arc pop-up head sprinkler. Among superior performance features is a patented co-molded wiper seal that clears debris at pop-down and, together with a strong stainless steel internal spring, ensures positive stem retraction and a tight seal season after season. Top adjustment screw reduces spray distanced up to 25%. Directional adjustment feature lets user aim spray head by hand. Does not require tools to change nozzle and screen.