The Teal Spirometry Round BVF (3 boxes of 50)
3 Boxes of 50
99.999% Effective against covid
The Teal Spirometry (BVF) Bacterial/ Viral Filter is round in shape, teal, and comes as a box of 50. This filter is superior in quality and has a >99% bacterial and viral protection.
Filter Size: 48.5 mm OD | 45.5 mm ID
Designed to accommodate the Following PFT Equipment: Koko®, PSS, Round Mouthpiece-48.3,, OD/44.9ID, 30mm mouthpiece
Manufactured by: Vitalograph®, SKU 28368
Dead Space: 65mL
Resistance to Airflow@12.5L/sec: 0.8cmH2O/L/s
Bacterial/ Viral: 99.99%