Sur Fit Natura® Durahesive® Ostomy Barrier, 1 Box of 10 Locks and Safety Seals and critical care patients Jobst Ultrasheer 30 40 ThighHi and critical care patients Unit * Provides ultrasound dual channel high volt pulsed DC stimulation and low volt galvanic * Used for iontophoresis * Up to 20 watts of variable or non interrupted ultrasound * High Voltage features reciprocal and ramped surge modes with adjustable surge duration (1 160pps) * Balance Control Feature * Lo Volt Galvanic has constant currentoutput variable surge and continuous mode and reverse polarity * Up to four electrodes * Color match: Orange Plastic coupling ring allows the pouch and skin barrier to snap together for audible security