smoke prevent mask

Specifications
smoke prevent mask, covers by the being flame-resistant thermal insulation material is made.
Key Specifications/Special Features:
1.Material: flame retardant insulation
2.Large eye window structure, the field of vision is open, has the smoke-filter application.
3.Filtration smoke efficiency: great than or equal to 95%
4.Inspiratory resistance: great than or equal to 200Pa
5.Expiratory resistance: equal or lesser than 98Pa
6.This product widely uses in profession and so on coal, building materials, metallurgy highly concentrated dust, the sand dust and the non-toxic dust work).

smoke prevent mask