... non-woven disposable anti-dust face mask,cup style; 2,EN149:2001,FFP2 standard. 3,Used for medical&persona Valve Respirator1, low ... ColorwhiteSize12x13cmMaterial and weight30gPPx60gMBx210gCStyleMedical, flat, ES purifying, active carbon, solid, cup, valve, spongePacking20pcs/box, 16boxes/ctncertificateNELSON LAB, BFE>99%, CE EN 14683 ... problems pls feel free to contact me. Thank you! Valve Respirator