Hemosure Test Cassette for Hemosure® iFOBT Test Kit, 1 Box of 30 Bed Trays Knee Hi * Classic Black 14283 Knee Hi * Classic Black * 15 20 mmHg * X Large (Full Calf) * Ankle Circ 12 14 Calf Circumference 18 24 * Beautifully sheer hosiery Durable long lasting * Sandalfoot styling * Gradient compression for relief and prevention of venous disease * Therapeutically effective sheer lightweight and fashionable * * Heavy gauge construction * Jumbo actuator pump with emergency button can switch to manual mode and lowers patient down safely * Fast easy charge from AC outlet * Audible warning when battery power falls below 50% * The charge light will automatically shut off when battery is fully charged * Foldable mast and base for easy storage and transportation * For use with 4 point and 2 point slings * Wide base provides additional stability * Base height is 6 There are 30 test cassettes in a box There is a built in control region on each test cassette