Oxygen Regulator for D E Tanks 0 15 LPM (CGA870) Oxygen Accessories Knee High (Closed Toe) * 18747 Knee High (Closed Toe) * 15 20 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 * Now available in luxuriously smooth non ribbed style * Latex free Blue * 5 Lb * 2 STANDARD SIZE D E CYLINDERS (BARB OUTLET) * 0 15 LPM * High strength lightweight aluminum alloy body with all brass core * Green * CGA 870 yoke and CGA 540 nut & nipple * 6 year warranty * Click style and easy to read flow rates * Laser etched: no labels to come off * Protected contents gauge * Ribbed flow selector for better grip * Viton rubber yoke seal with brass ring *