Level 3 provides maximum barrier protection for heavy levels of aerosols, spray and/or fluids. It has more protection than Level 2 against fluid transmission while still providing great comfort and breathability. Used for high-velocity procedures that protect both the patient and wearer from the transfer of bodily fluids, micro-organisms, and particulate matter.
ASTM RATINGS – ASTM International sets the preferred standard in healthcare for best practices and requirements for performance and materials in masks. They follow FDA guidelines in the four main areas of Fluid Resistance, Differential Pressure, Filter Efficiency and Flammability.