Discount TENS, EMPI Compatible TENS Electrodes, 8 Premium Replacement Pads for EMPI TENS Units. (2 inch x 2 inch)Brand: Discount TENS Features: Discount TENS, a US veteran owned company. 8 2"x2" Electrode pads for EMPI TENS units Discount TENS Brand Compatible with EMPI electrotherapy devices: Focus, Respond Select, Epix and Empi Select. Discount TENS brand replacement EMPI StimCare compatible pads are durable, self adhesive and reusable. Replacement electrodes for EMPI TENS units. Very durable and flexible, Discount TENS brand EMPI compatible compatible self