Probe Only Waterproof 8MHz for Sonotrax Doppler Hand Wrist Exercise Products Knee High (Closed Toe) * Color:Yellow Knee High (Closed Toe) * 30 40 mmHg * Classic Black * Medium * Ankle Circumference 8 3 8 9 7 8 * Calf Circumference 11 7 8 16 1 2 * Stylish leg therapy that is easy to don for soft and comfortable year round wear * Made with a combination of silicone blend finish multifiber yarn and 3D knit structure * Cool and breathable which makes it comfortable to wear any time of the year * Guaranteed compression 15 20 mmHg 20 30 mmHg 40 mmHg for optimum medical efficacy using multifiber yarns for the softest feel * The reciiprocated and reinforced heel allows for greater durability and lasting comfort * Jobst© Opaque© conceals blemishes varicose veins and scars * Thigh high Waist high and Knee high styles * Shipping Carton Size: 9 L x 6 W x 4 H * Now available in luxuriously smooth non ribbed style * Latex free LCD Display provides status of programs and functions * Control suction and speed to suit your comfort level with a total of 28 pumping state options * 2 Phase Expression For vascular use 8MHz waterproof probe for Sonotrax interchangeable * 2MHz and 3MHz probes available on request