Panasonic EW3901S Large Cuff for Upper Arm Blood Pressure Monitors
Panasonic EW3901S Replacement Large Cuff for Panasonic Blood Pressure Monitors, Usable for upper arm circumference between 13 3/4" and 17 1/4", Operates with models: EW3122S, EW3106W, EW-BU35W, EW-BU04W and EW3109W,