Carefusion Airx Spirometer Case 002002 by CareFusion GROUP: Diagnostic Instruments:Patient Monitoring/Vital Signs:Spirometry Item Description: Empty Nebulizer, FiO2 Settings Adjustable from 35% to 100%, 350 ml, 24/Case Packaging Desc: Nebulizer Empty 24/Case Country of Origin: Harmonized Tariff Code: Product Description: