8910 masks, products comply with GB2626-2006 KN95 standard, 3 layer filter, inner and outer layer of fabric: skin electrostatic adsorption non-woven fabric: KN95 sandwich meltblown fabric. Product features 1 by leading international non-woven electrostatic adsorption principle, fine particles of diameter larger than 5 micron filtration rate of more than 95% 2 built-in shaped nose. With the face tightly, after the start of the formation of three-dimensional space to breathe, breathe not oppressed. 3 high-tech ultrasonic point belt, strong, beautiful, long time wearing not make ears uncomfortable.
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