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Black Reusable Nanofiltration Masks KZ01A01ACriterion of Detection: GB/T32610-2016 Materials: Blending of Nylon & Spandex, Nanofiltration Membrane
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KZ20B0110 KN95 Daily Protective MaskCriterion of Detection: GB2626 - 2006 Materials: Nonwoven, Melt-blown Nonwovens