EDM 3™ Acetic Acid Chemistry Reagent, 1 Each Diathermy Deep Heat Units Knee High (Closed Toe) * The smooth finish lets Knee High (Closed Toe) * Classic Black * 30 40 mmHg * X Large * Ankle Circumerence 10 1 2 12 * Calf Circumference 15 20 * Stylish leg therapy that feels great and helps manage pain and discomfort from: Tired aching legs mild to severe leg ankle and foot swelling minor to sever varicosities post surgical post sclerotherapy and help preventing a recurrence of venous ulcerations * features & benefits: * Number 1 physician recommended brand * Available in 5 colors and a large foot size * Fashionable ribbed designed dress sock * Smooth toe seam 1½ Inch flange 16 ounce bottle Acetic acid solution is 5% strength