1800 Professional Series pop-up 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. Directional adjustment allows user to aim spray pattern by hand. Top adjustment screw reduces spray distance up to 25%. This item is banned in the following states: CA, CO, DC, HI, MA, MD, ME, NJ, NY, OR, RI, VT, WA