LOKI one-way-valve mouthpiece
The expiratory one-way-valved mouthpiece fits standard peak flow meters and spirometers for expiratory use (ex: MicroMedical, Vitalograph range, Peak Flow Meters). The patient can exhale forcefully into the peak flow meter or spirometer, and the one-way-valve prevents inhaling through the mouthpiece or equipment is attached to.
- Diameter: 30 mm
- Strong, durable construction
- Special design provides low air resistance