Sure Pop mechanism for watering and retraction into lawn when not in operation Patented stem seal keeps debris out, prevents pressure loss from flow by and ensures pop up at low water pressure Small foot print 1/2 inlet Waters from 0 to 360 degrees to fit almost any shape of lawn or planting area Includes matched precipitation rate nozzles that allow sprinklers with various arcs to be mixed within the same zone providing an equal amount of water 2-1/2 pop up height 8 to 15 spray distance Half circle