- Air can only move in one direction unlike traditional peak flow mouth pieces.
- Varnished, non-absorbent finish for greater patient comfort.
- Prevents cross infection.
Expiratory - For expiratory use with standard peak flowmeters and spirometers.
Inspiratory - Provides protection for measuring inspiratory effort.
EI0500B Expiratory x 200
EI0502B Expiratory x 500
EI0501B Inspiratory x 200
EI0503B Inspiratory x 500
