3ply mask Standard: EN14683 BFE>98% Delta P< 3 food industry use BFE>95% also available Color: blue, green, pink, yellow and 3ply maskStandard: EN14683 BFE>98% Delta P< 3 food industry use BFE>95% also availableColor: blue, green, pink, yellow and ect.Style: earlooped and tie, sewn, seal are availablePacking: inner box, hang-on bag, regular bag 3ply mask