Firm Surg Weight Stkngs 2Xlg 20 30mmHg Below Knee O T Blk Trapeze Unit sec increments Pulse Frequencies: 10 10883 sec increments Pulse Frequencies: 10 800 Hz in 10 Hz increments Treatment Duration: 1 30 min in 1 min increments Electrical Class: CLASS I Electrical Type: TYPE BF Regulatory Risk: Class IIb according to MDD 93 42 EEC UPC Code: 092237620397 For Sentra Wheelchairs * Blue Jay Brand * Graduated compression aids blood circulation * Physician recommended clinically proven * Relieves pain of tired aching legs mild varicosities and edema * Effective as post sclerotherapy treatment * Fiber content: Nylon (80%) Spandex (20%) * Two way stretch design provides extra comfort * Worn by men and women * Color: black * HCPC CODE: N A