... resistant, 2:corrosive resistant,fire resistant. Available air blower:Portable air blower,marine,mine air blowerWorking Pressure(W.G): 3000-5000PaThickness:Cloth thickness ... handled and suitable for a wide range of low pressure air, fume and dust removal applications,such as mine; Gas stations ... no-poison, no peculiar smell. Without Dust, No fiber pulverized. Spring telescopic ventilation tube