Three layers of filteringï¼?layers of protectionï¼?saferã??Inner non-woven fabricï¼?adsorbed microparticle,moistureproofï¼?breathableï¼?Melt sprayed cloth in the middleï¼?low respiratory resistance;Outer non-woven fabric,no stimulation. Usage: Civilian Use Color: Blue/Green/White Features: Filtration efficiency GB/T 32610-2016 92.2% The protective effect GB/T 32610-2016 65% Minimum Order Qty: 2000 Pieces Packaging: 50 In A Box And 40 Boxes In A Carton
