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3244 Grey Hawk Ct. Carlsbad, California
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InterMask Disposable Premium 3-Ply Mask, ASTM Level 3

Testing Documentation

Expand each section below to access the documents for download.

Bacterial Filtration Efficiency (BFE)

Breathability Differential Pressure (Delta P)

Flammability of Clothing Textiles

A 3-ply mask shown with three layers expanded

InterMask 3-Ply Procedure Face Masks, ASTM Level 3, are manufactured in a sterile FDA certified facility. They are disposable with a Hydrophobic non-woven outer layer, Meltblown middle filtration layer, and a soft absorbent non-woven inner layer. The protective single-use face mask has three layers of protection that help to filter microbes from entering or exiting mask while maintaining smooth breathability. The face mask has shingle pleats with a shapeable nosepiece and two elastic ear loops. It is fiberglass-free and latex-free. ASTM Level 3 masks have 160 mmHg fluid resistance, greater than 98% Bacterial Filtration Efficiency, and greater than 98 percent Particle Filtration Efficiency at 0.1 micron.

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