Welch Allyn Audioscope� 3 Screening Audiometer/Otoscope Accessories Each 23400 by Welch Allyn GROUP: Diagnostic Instruments:Patient Monitoring/Vital Signs:Hearing Screening Item Description: Set of AudioSpecs (small, medium, large) Packaging Desc: Audiometer 3 Spec Set Country of Origin: US Harmonized Tariff Code: Product Description: