Crew® Surface Disinfectant Cleaner, 1 Case of 12 Height Measuring Devices Knee High (Closed Toe) * 416700 Knee High (Closed Toe) * Classic Black * 20 30 mmHg * Medium * Ankle Circumerence 8 1 2 9 1 2 * Calf Circumference 12 17 * * Attractive ribbed design with 3 D knit structure * Easy to wear with a comfortable band that keeps socks up without binding * Flat toes seams and a roomy toe section * Reinforced heels for a longer lasting durable product * Anti bacterial additive reduces unpleasant sock odor * Special Moisture Transport System with soft micro and multi fiber yarns in the sole keeps feet dryer * Latex Free * Color: classic black 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 No rinsing is required Fresh scent