Meter for the measurement of peak inspiratory flow.
The standard In-Check Oral is supplied with a sterilisable plastic mouthpiece.
Alternative mouthpieces are available in both ordinary cardboard, and one-way cardboard formats. These should be discarded after use.
The "Inspiratory" one-way cardboard mouthpieces should be used with In-Check Oral.
Disposable One-Way-Valved Mouthpieces