5″ Popup Riser Extension Compatible with Rain Bird 1800& Hunter Pro-Spray Sprink
5″ Popup Riser Extension Compatible with Rain Bird 1800& Hunter Pro-Spray Sprinklers, Sprinkler Head Riser Extender with RotorTool, Garden Lawn Irrigation Spray Head, 7 Set(Green). this sprinkler riser extension compatible with Rain Bird 1800 spray system, is an upgrade choice.