MOUTHPIECE MINI SAFE-T-WAY PEDIATRIC DISPOSABLE

Vitalograph Mini SafeTway One-way Valve Mouthpieces. For use with peak flow meters and spirometers. One-way valve prevents accidental inhalation. Completely disposable. The Mini SafeTway with a 22mm diameter mouthpiece is for pediatric use or for elderly test subjects who have difficulty fitting their mouth properly around the standard mouthpiece size. Prevents concerns of accidental inhalation of pathogens. Packaging: 50/Box.