Disposable Respiratory Masks - Davro Online
Disposable Respiratory Masks. Swine Flu - what you need to know - the official advice! The Health and Safety Executive currently recommends the use of highest efficiency filters (P3) for protection against viruses(1), advice which is echoed by the Health Protection Agency (HPA)(2) and the Department of Health (3) who, in the case of pandemic influenza, recommend the use of the highest ...