... & physical therapy equipments or medical equipments Specification:P/N: CWN2510Size: 2.0 x 4.0", 50mm x 100mm, square, prewiredBacking material ... application cost7. Stability & storability: Min. 2 years, will not turn yellow or become thin8. Great variety: Greatest variety in sizes, shapes and ... OEM service, design & engineering assistance is available TENS unit electrode, 2" square with all-weather gel