Schiller Spirometry Each 2.100968 by Schiller Americas GROUP: Diagnostic Instruments:Patient Monitoring/Vital Signs:Spirometry Item Description: Hairnet for Ergo-Spirometry Mask, 7450 Series, Large (Not Available for Sale into Canada) (DROP SHIP ONLY) Packaging Desc: Hairnet Ergo-Spiro Mask Lg(Drop) Country of Origin: Harmonized Tariff Code: Product Description: