Fine workmanship, strong construction and high durability.
The mask is fitted with two filters.
Eyeglasses can also be used independently to polish dust, test paint, paint spray, and stone iron.
for Mine, cement factory, ceramics factory, shipyard, metal smelting,
power plant, stone materials processing, polishing, interior decoration,
silicon powder processing and so on dust protection.
Protective environment: Fly dust, cement, polishing, interior decoration and so on.