Material: Rubber (extract rubber tree, rubber grass and other plants latex, processed into elastic,
insulating, water and air impermeable material. Macromolecule compound)
anti-poison combination: 3100 mask, 3200 mask
specification: 10 pieces/box
3000 series protective mask replaceable mask accessories
effectively filter organic vapor odor and dust, suitable for
welding, casting and polishing operations in shipbuilding, metal manufacturing, metal smelting and other industries Protection.