Passed the EUfs FFP2 world standard, and the USfs National Institute for Occupational Safety and Health (NIOSH) N99 standard. Over 99.728% efficient for blocking out pseudo-viruses, this is a mask for breathing amidst pollution particles.
Three-dimensional, with a tight-fitting structure. Fits the curves of your face while shutting out polluted air.
Hygienic, as itfs three-dimensional structure does not directly contact your mouth. Can be used for up to 12 hours at a time, and reused up to about 30 times.
The four-layer filter provides an impenetrable guard against the threats of air pollution and airborne viruses. (1) Special non-woven fabric with virus scavenger function (2) fine non-woven fabric (3)electrostatic artificial fibers (4)special durable non-woven fabric.

Technical Details

Product Details

Package Dimensions
Width : 4.72 inch
Height : 2.36 inch
Length : 9.06 inch

Shipping Weight: 3.04 ounce (View shipping rates and policies)

ASIN : B003VJY3CS