Ultrasound Gel McKesson Conductive Gel 8.5 oz. Bottle Ultrasound gel to aide in coupling efficiency. This gel is water soluble for quick and easy cleanup after examinations8.5 oz (250 mL) Medium Viscosity Conductive, nonstaining, water soluble contact medium for ultrasound transmission Conductive feature for increased image clarity Water soluble for quick, easy clean-up noncorrosive for extended instrument life Salt, alcohol, and fragrance free Bacteriostatic