Bio-Protech T716 ECG EKG Monitoring Foam Electrode - 200 Electrodes 50pc x 4

Hi Quality Adult ECG Electrodes Model T716  50 Pieces Pack x 4 packs Fits Most Brands MD 100A MD100B FDA Approved Ag/AgCl sensing element has the best sensitivities  Solid adhesive hydro-gel has With low impedance Efficient ECG Electrodes for Resting, Exercise, ECG, or Holter Ambulatory Monitoring Includes:  4 Packs of 50 ECG Electrodes Size: 43 x 45mm ea. Type: PE Foam Adult Monitoring Solid Gel Electrodes. Note: This item does not require a Prescription No Prescription Needed to Purchase this Item 30 Day Return Policy Free US Shipping.