Heel Cushion With Flannelette Cover Universal (pair) Heavy Duty Massagers Unit * Provides ultrasound dual Style:Left Ear Unit * Provides ultrasound dual channel high volt pulsed DC stimulation and low volt galvanic * Used for iontophoresis * Up to 20 watts of variable or non interrupted ultrasound * High Voltage features reciprocal and ramped surge modes with adjustable surge duration (1 160pps) * Balance Control Feature * Lo Volt Galvanic has constant currentoutput variable surge and continuous mode and reverse polarity * Up to four electrodes * Knee Hi * Natural * 30 40 mmHg * Large (Full Calf) * Ankle Circ 10 11 7 8 Calf Circumference 18 24 * Beautifully sheer hosiery Durable long lasting * Sandalfoot styling * Gradient compression for relief and prevention of venous disease * Therapeutically effective sheer lightweight and fashionable * Pair * Extra thick foam padding cushions sensitive heels to reduce pressure * Covered with perspitation absorbing fabric * Special design provides added protection for ankles and eliminates the problem of the heel cushion being kicked off *