24 Rain Bird Irrigation Rain Sensor Hygroscopic Discs Replacement - fix 3 Sensor

24 Rain Bird Irrigation Rain Sensor Hygroscopic Discs Replacement - fix 1 Sensor 1.Works on all RainBird Rain Sensors - RSD, WR2 Wireless. 2.For Rain Bird Wired Rain Sensors (Model RSDBEX & RSD). 3.Rain Bird No Bracket Rain Sensors (RSDCEX) And Rain Bird Wireless Sensors (All WR2 models) 24 Replacement Hygroscopic Discs For Rain Bird Wired Rain Sensors (Model RSDBEX & RSD) Rain Bird No Bracket Rain Sensors (RSDCEX)And Rain Bird Wireless Sensors (All WR2 models) Brand New replacement hygroscopic discs for Rain Bird Rain Sensors. Instead of throwing away the entire sensor, just remove the spindle and cap and replace the worn out discs with these 24 new ones.