Designed to provide the highest quality tracings for stress test procedures. The offset design and Aqua-Set gel significally reduce any motion artifacts ensuring a very clear stable trace even under the most strenuous conditions. The C-LINE technology ensures that every electrode will be fresh providing exceptional consistency in quality of recordings at very affordable prices.- Electrode, High Performance, Wet Gel, Foam Backing, Stress/ Holter/ Echo/ Monitoring, 30/Pouch, 40 Pouches/bx, 4 bx/cs