Dust mask is used widely different industries, including medical, dental, food service, laboratories and even daily civilian uses. Here we have the same high quality pleated mask with different variables such as tie-on bands, ear loop, with eye shield and so on according to different user needs. All these models can provide 99.9% BFE. We also have the more professional dust mask where it provides the fluid resistance function through the use of an extra layer without influencing the breathing comfort at all. This type of professional mask is able to pass the test method of ASTM F1862-2000a which meets EN14683 Rating – Type IIR Standard.