Aquasonic 100 Non Sterile 5 Liter (175 Oz) Electronic Stethoscopes Knee Hi * Classic Black H300 is the third Knee Hi * Classic Black * 20 30 mmHg * Large * Ankle Circ 10 113 8 Calf Circumference 12 1 2 18 1 8 * Beautifully sheer hosiery Durable long lasting * Sandalfoot styling * Gradient compression for relief and prevention of venous disease * Therapeutically effective sheer lightweight and fashionable * LARGE 14 DIAMETER * Yellow * X Light * Flexion extension opposition and supination exercises can be performed using the exercise web * Resistance may be modified by adjusting the hand position depth of finger insertion or by moving to a different resistance (color) web * ORIGINAL BLUE * 5 Liter(175oz) Each * World Standard for Medical Ultrasound Transmission AQUASONIC 100 is the most widely used gel for diagnostic and therapeutic medical ultrasound * Recommended for all procedures where a viscous gel is required * Acoustically correct for the broad range of frequencies used * Completely aqueous will not stain clothing or damage transducers * Unique can't be copied formula is hypoallergenic bacteriostatic non sensitizing and non irritating * No formaldehyde * Not a spermicide * Used and recommended by leading manufacturers of medical ultrasound equipment worldwide *