![Bacterial / Viral Filter](http://motioncompress.com/cdn/shop/files/tmo6diqkha3wnco4gjqn_1024x1024.jpg?v=1693597886)
Vitalograph Medical
BVF™ Bacterial / Viral Filter
- Suitable for inspiratory and expiratory spirometry testing
- Protects the subject against cross infection
- Low effective dead space of 65ml as required for lung volume and DLCO testing
- Comfortable mouthpiece