Rain Bird 1803DSQ pop-up sprinklers provide commercial grade irrigation for residential and professional landscape systems Each pack includes 6 sprinklers featuring 3" pop-up height and 1/2" female threaded inlet for standard installations Constructed from impact resistant ABS plastic with stainless steel retraction spring rated for 70 PSI maximum operating pressure The 90° fixed quarter circle spray pattern covers 8 to 15 ft and retracts below ground when not in operation for clean uniform watering.