Specifies requirements for single-use face masks which are used in health care where it is necessary to keep cross-contamination between the health care worker and the patient to a minimum. The masks are intended for use in the operating room, and for me
AS 4381:2015 history
1970AS 4381:2015 Single-use face masks for use in health care
1970AS 4381:2002 Single-use face masks for use in health care