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/EEC concerning medical devices
Bibliography