EcoGel 200 Multi-Purpose Ultrasound Gel is most popular brand of ultrasound gel. It is a medium viscosity gel (80,000–100,000 cps) designed for use in therapeutic ultrasound, diagnostic imaging and other external procedures requiring a viscous yet easy-to-use conductive medium. Practitioners appreciate the versatility of EcoGel 200 as well as the many convenient packaging features designed to increase productivity, minimize patient discomfort and decrease product waste.