... face mask,cup style; 2,EN149:2001,FFP2 standard. Cup Active Carbon Valve Face Mask 1, low price and high quality ... , weight, package are available. ColorwhiteSize12x13cmMaterial and weight30gPPx60gMBx210gCStyleMedical, flat, ES purifying, active carbon, solid, cup, valve, spongePacking20pcs/box, 16boxes/ctncertificateNELSON LAB, BFE ...