Spirometer Bacterial/Viral Filter 2820 Series BVF™ For Spirometers

Features

• Suitable for inspiratory and expiratory spirometry testing
• Protects the subject against cross-infection
• Protects the spirometer against cross-contamination
• 99.99% Cross-contamination efficiency
• Very low expiratory flow impedance
• Low effective dead space of 65 mL as required for lung volume and DLCO testing
• Comfortable mouthpiece
• Efficient at high flow rates
• 99.99% at 55 and 750 L/min Efficiency
• 0.7 to 1 µm Validation using Bacillus Subtilize var niger mean diameter
• 0.08 kPa/L/s (0.8 cmH2O) resistance to airflow at 750 L/min (BVF alone)
• 0.12 kPa/L/s (1.2 cmH2O) Resistance to airflow at 750 L/min (BVF + Fleisch)