Disposable Filters Product Line
(click on product name to enlarge image in viewer)Micro Direct Filters-
![]() Spiro USB |

Sensormedics Filters-
![]() Microguard Documentation |
Nspire-KoKo Filters-
![]() KoKo Documentation |
![]() Nspire DC II Documentation |
SDI Diagnostics Filters-
![]() SDI Pulmoguard Documentation |
![]() SDI Pulmoguard Documentation |
(click on product name to enlarge image in viewer)







expirations, which could contaminate the pulmonary function equipment. A subsequent patient carrying out the same maneuver on this equipment could inhale these infective droplets during the forced inspiratory phase.
eliminate any potential risk of cross-infection, a bacterial/viral filter can be placed between the patient’s mouth and the test equipment. It is common practice to use bacterial/viral filters when patients are known to be