2PACK Aquasonic Aquasonic 100 Ultrasonic Gel,250ml Dispenser Each, 8.45 Ex10/15/2029'' The .25 liter bottle is easy to handle to dispense gel from. Features Snap-Cap; by Parker Labs a dispenser engineered to eliminate drips and ?draw ?back?. Used and recommended by leading manufacturers of ultrasound equipment worldwide. Aquasonic 100 Ultrasound Transmission Gel expires 5 years from the date of manufacture, as long as it's stored out of the light and at room temperature. Recommended for all procedures where a viscous gel is required. Aquasonic 100 Ultrasound Transmission Gel is the most widely used gel for diagnostic and therapeutic medical ultrasound. Features Snap Cap? dispenser engineered to eliminate drips and ?draw ?back? Acoustically correct for the broad range of frequencies used in medical ultrasound applications Gentle wetting of the skin assures excellent transmission of ultrasound waves at all times Unique "can't be copied" formula is hypoallergenic; bacteriostatic and non-sensitizing Will not stain clothing, damage equipment or irritate skin Hypoallergenic, bacteriostatic, non-irritating No salt, no formaldehyde Not a spermicide Water soluble