bfe 95 medical 3 ply face mask

Material: NON-WOVEN
Size: 10*20CM
Gram: 20/25/20gram

Packing：1PC/50PCS/100PCS（BAG/BOX）

Particle Filtration Efficiency (PFE) >98%.

Bacteria Filtration Efficiency (BFE) >95%.

Size: 7″ x 3.5″