Rain Bird 2045A NP Maxi-Paw (Purple Top For Non-Potable Water) Rain Bird 2045A08 NP Non Potable Water With Purple Lid Full- or Part-Circle Impact Rotor Pop-Up Sprinklers Straight-through flow for superior performance in dirty water. Energy efficient, low pressure and low-gallonage operation Precipitation Rate: 0.28 to 1.17 inches per hour (7 to 30 mm/h