GP-4e Cables & Supplies / HRV-ECG Recommended Cables, Sensors, & Supplies GP-4 GP-4e Cables & Supplies GP-4e Physioamp EEG Recommended Cables, Sensors, & Supplies GP-4 HRV-ECG Recommended Cables, Sensors, & Supplies GP-4 EMG Recommended Cables, Sensors, & Supplies GP-4 Optional Sensors GP-4 GP-8e Cables & Supplies GP-12e Cables & Supplies Gas Analyzer & Accessories WB-5: Wristbands for ECG & Wrist-to-Wrist Heart Rate $12.00 Add To Cart GP-5u: Respiration Sensor Belt (GP-4e & GP-8e) $110.00 Add To Cart TP-40: Lead Set, 40", 1.5mm Socket & Snap $42.00 Add To Cart SE-23: 17mm Silver Chloride Electrodes for ECG, EMG, & EEG Snap Leads $18.00 Add To Cart WB-4: Wrist or Ankle Bands $20.00 Add To Cart TP-40r: Red 40" Lead for GSR/SR (GP-4e & GP-8e Only) $16.00 Add To Cart SE-35: Finger Electrodes for GSR/SC & Ground Reference $22.00 Add To Cart