ABX Basolyse II™ Reagent for use with ABX Pentra Xl 80 Pentra 60 80, Erythrocyte Lysing, 1 Each Massage Therapy Deep cleaning Impotence Deep cleaning Knee High (Closed Toe) * 30 40 mmHg * Classic Black * X Large * Ankle Circumference 11 1 2 13 * Calf Circumference 13 3 8 19 5 8 * 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: 12 L x 10 W x 6 H * Now available in luxuriously smooth non ribbed style * Latex free Erythrocyte lysing reagent is for white blood cell counting and basophil differentiation on ABX blood cell counters