Nu Prep® Conductive Skin Prep Gel, 1 Case of 6 Shoulder Immobilizers Supports Two sided chestpiece with tunable diaphragms The wetness indicator turns Two sided chestpiece with tunable diaphragms on both the adult and pediatric sides * Single piece tunable diaphragm is easy to attach and easier to clean because its surface is smooth without crevices * Pediatric side converts to a traditional open bell by replacing the single piece diaphragm with a non chill rim * Next generation tubing provides longer life due to improved resistance to skin oils and alcohol Features a 5 second scrub time followed by 5 second dry time Effectively lowers impedance to improve tracings Mild abrasive formula improves conductivity