NEN EN 14683 : 2014

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 Requirements
6 Testing requirements
7 Labelling and information to be supplied
Annex A (informative) Information for users
Annex B (normative) Method for in vitro determination of
         bacterial filtration efficiency (BFE)
Annex C (normative) Method for determination of breathability
         (differential pressure)
Annex ZA (informative) Clauses of this European Standard
         addressing essential requirements or other provisions
         of EU Directive 93/42 concerning medical devices
Bibliography

Defines construction, design, performance requirements and test methods for medical face masks intended to limit the transmission of infective agents from staff to patients during surgical procedures and other medical settings with similar requirements.