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Description:
Crown ASTM 3 masks have 3 layers. (1) Inner layer (non-woven) which is skin0friendly, tasteless, and non-irritating; (2) Middle layer is high-grade melt-blown with great absorption and filtration; and (3) Outer layer is non-woven and water resistant.
Specifications:
- BFE 95%+ \ PFE 99%+
- Ferrous nose piece
- Comfortable, secure fit
- Water resistant, breathable, soft on the face
- Exceeds ASTM F2100 standards
- Low Delta P factor for easy breathability
Packaging:
50 masks per box
ASTM Level 3: maximum barrier protection for any situation that has the potential for exposure to heavy levels of aerosols, sprays and fluids.
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.