Mettler Sponge Inserts For Sponge Electrodes,2" x 2",Each,2001Price: USD5.51 Mettler Sponge Inserts For Sponge Electrodes are accessories to any Mettler Stimulator or TENS unit. These inserts come in four different sizes to provide users with superior therapy no matter where on the body they might need it.Other products from H e a l t h P r o d u c t s F o r Y o u |