... dust face mask,cup style; 2,EN149:2001,FFP2 standard. 3,Used for medical&persona Valve Respirator 1, low price and high ... carbon, solid, cup, valve, spongePacking20pcs/box, 16boxes/ctncertificateNELSON LAB, BFE>99%, CE EN 14683:2005, EN149 FFP2Min order500pcsDelivery15 daysPaymentT/T or ... tested by US NELSON LAB and have got the CE EN149:2001, CE EN14683:2005 certificate. Our company also passed ...