Features McKesson Ultrasound Gel Clear 8.5 oz (250 mL) High Viscosity Conductive, greaseless, water soluble contact medium for ultrasound and laser transmission. Conductive feature for increased image clarity. Water soluble for quick, easy clean-up. Non-corrosive for extended instrument life. Salt, alcohol, and fragrance free. Bacteriostatic Not Made With Natural Rubber Latex.