... contraction-expansion program that pumps and deflates air through each chamber of the cuff that exerts the pressure from distal to ... (pants, leg, arm, shoulder, skirt) having 2-chamber, 4-chamber,6-chamber or 12-chamber according to each model. Air De-toxin system ... gauge that can check the pressure. Warranty: Despite careful testing of our equipment, component or functional failures may occur. YIHAO ...