Medical Graphics Round Filter (3 packs of 50)
The Medical Graphics Round (BVF) bacterial viral filter mouthpiece has a traditional round shape, are aqua in color and each box contains 50 filters. This product is made for maximum comfort and for optional use without rubber flanged mouthpieces.
Filter Size: 36.2 mm OD | 30.8 mm ID
Fits the Following PFT Equipment: Medical Graphics
Dead Space: 65mL
Resistance to Airflow@12.5L/sec: 0.8cmH2O/L/s
Bacterial/ Viral: 99.99%