2″ x 2″ (50mm x 50mm) Square electrodes – 1 pack of 4.
Mesh backed self adhesive electrodes. Simply peel the electrodes off the backing and place on your skin.
Lasts 20 to 30 applications
Ideal for your TENS unit or EMS unit
Compatible with 3-in-1 Combo, 3-in-1 Combo plus, 3-in-1 Combo Elite and most TENS and EMS machines