BHX1121 Features: * Pop up sprinklers * Half circle * Patented pop up mechanism for out of sight retraction into the lawn when not in operation * Patented pressure activated co-molded wiper seal prevents wasteful water leakage and assures long life * Heavy-duty stainless steel spring assures flush retraction, every time * UV resistant plastic reduces fading * Operates efficiently at low water pressure * 5 year customer satisfaction policy * 0.5"" inlet * Directional adjustment feature lets you aim the spray pattern by hand