Jobst Ultrasheer 30 40 Thigh Hi Black Medium (pair) Knee Supports Braces 5 cm Height: 3 18747 5 cm Height: 3 High performance 1 5 horsepower pump delivers 0 26 inHg (0 660 mmHg) * Dual protection system consists of a float shut off in the canister lid and an Inline Hydrophobic Filter to prevent back flow of fluid as well as airborne contaminants from entering the pump * The Easy Vac has a protective canister bracket which not only holds the canister but also protects the gauge and adjustment knob from accidents * The Easy Vac has a Velcro strap that allows the power cord to be wrapped securely to make portability easier * Extra strength premium suction feet attach the unit safely and securely to most surfaces preventing spillage * Safety is assured with the automatic resetting thermal limit switch which prevents the unit from overheating * Length 13 1 4 (33 Thigh Hi (Lace Silicone Strap) * Classic Black * 30 40 mmHg * Medium * Ankle Circimference 8 3 8 9 7 8 Thigh Circumference 18 1 8 27 1 2 * Hip Circumference 30 50 * Beautifully sheer hosiery Durable long lasting * Sandalfoot styling * Gradient compression for relief and prevention of venous disease * Therapeutically effective sheer lightweight and fashionable *