J&J ENGINEERING: Your Source for Applied Neuropsychophysiology. Clinical Biofeedback . Neurofeedback . Hardware and Software
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Two Ear-Clip Electrode Snap holder  for EEG Ear Electrode Attachment
Inserts into negative snap lead for EEG reference (monoploar).
SE-22A
Use our large pellet electrodes for maximum contact.
Comes with 2 large electrode pellets.