... style; 2,EN149:2001,FFP2 standard. Cup Active Carbon Valve Face Mask 1, low price and high quality;2, ... weight30gPPx60gMBx210gCStyleMedical, flat, ES purifying, active carbon, solid, cup, valve, spongePacking20pcs/box, 16boxes/ctncertificateNELSON LAB, BFE>99%, CE EN 14683 ... antistatic garment, antistatic gloves, antistatic shoes and sticky dust series. Our products are tested by US NELSON LAB and have ...