Replacement Plug Assembly with Protective Cap & O-ring for use with a conventional RE-7 electrode.

Fits:

• RE-7 Electrode (Item #15301)
• RE-7 Electrode (Item #15307)
• Sponge Bottle CuSO4 Electrode (Item #15625)

NOTE: These plug assemblies are for conventional electrodes only - they are not compatible with IonX Electrodes.