Dynarex Ultrasound Gel is a premium electroconductive gel used in ultrasonic echo imaging systems. This Ultrasound Gel is acoustically correct for a wide range of frequencies. The non-greasy aqueous Gel is designed to not stain clothing or damage transducers. Ultrasound Gel is non-irritating and fragrance free for improved comfort. Bacteriostatic formula crafted to help prevent the growth of bacteria for added protection. Available in Blue or Clear and designed for easy refill.  4 unit per case