These Charcoal Activated Filter Face Masks

offer first-rate protection against the dangerous air found in all industrial work situations,

such as, Painting, Welding, anti industrial cleaning chemicals, Spraying insecticides.

Bacteria Filtration: 99.5%. Air Breathability: 29.4 Pa.

Size: 17.5 x 9.5cm.

Common packing:50pcs/box,2000pcs/ctn.