Use this bacteriological filter with disposable mouthpiece to protect subjects and equipment.
Exceeds all recommended performance standards
99.9% bacterial filtration efficiency
99.9% viral filtration efficiency
Low resistance
Minimal dead space
Includes disposable plastic-coated paper mouthpiece
Surpasses published ATS recommendations for flow resistance in pulmonary function instrumentation, which suggest Resistance should be below 1.5 cm H2O/L/sec at flow rates less than 12 L/sec1.
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