X Frm Surg Weight Stkngs X Lrg 20 30mmHg Below Knee O T Blk Jobst Relief 30 40 Knee Hi 4 D x 24 L Jobst Opaque Sensitive 4 D x 24 L * Firm molded high compression foam * Navy blue color * Covered in fire retardant triple laminated vinyl fabric * This affordable yet advanced system was developed to exceed market standards and provide superior clinical results and performance * Small footprint and lightweight design make it easy to store and transport * Darker body color maintains its appearance after a prolonged period of use * Ball bearing connecting rod design equips the unit for years of dependable performance * Internal wire guides eliminate interference with moving parts increasing reliability * Top of unit connector facilitates easy attachment removal of tubing * ETL listed as compliant to UL 60601 1 Medical Electrical Equipment Standard * Warranty 5 year limited * Max Blue Jay Brand * Graduated compression aids blood circulation * Clinically proven to treat serious varicosities and edema * Indicated in thrombosis prevention and the treatment of post phlebitis syndrome with chronic venous insufficiency * Fiber content: Nylon (75%) Spandex (25%) * Two way stretch design provides extra comfort * Worn by men and women * Color: black * HCPC CODE: N A