LOKI one-way-valve mouthpiece

single use

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