Schiller Spiroscout Ultra Sound Spirometry System & Accessories Pack 2.100983 by Schiller Americas GROUP: Diagnostic Instruments:Patient Monitoring/Vital Signs:Spirometry Item Description: Breathing Tube, Disposable, 50/pk (Not Available for Sale into Canada) (DROP SHIP ONLY) Packaging Desc: Tube Breathing Disp Spiroscout50/Pack (Drop) Country of Origin: Harmonized Tariff Code: Product Description: