Product Description :
Compact, lightweight and portable built-in flexible three ? zone management system easy- to- read numbers measurement range 60-800 l/min accuracy and repeatability assurance suitable for use with disposable mouthpiece design for adult washable EN ISO 23747: 2009 compliance ce approval.
Product Features :
- and repeatability
- for use with disposable mouthpiece
- range 60-800 L/min