Medical Graphics Round Filter (1 pack of 100)
The Medical Graphics Round (BVF) bacterial viral filter mouthpiece has a traditional round shape, is white in color and each box contains 100 filters. This product is made for maximum comfort and for optional use without rubber flanged mouthpieces.
Filter Size: 38.8 mm OD | 34.5 mm ID
Fits the Following PFT Equipment: Brentwood 4000 & Medical Graphics
Dead Space: 53mL
Bacterial Efficiency: >99.99%
Viral Eff: >99.92%