Smiths Medical Esophageal Stethoscope Box ES400-18 by Smiths Medical ASD GROUP: Diagnostic Instruments:Miscellaneous Instruments Item Description: Stethoscope, Esophageal with Temperature Sensor, 18F, 20/Box Packaging Desc: Stethoscope Esophageal 18F20/Box Country of Origin: Harmonized Tariff Code: Product Description: