WJH卡琪屋
Air-filter masks, or respirators filter referred to as the working principle is to contain harmful substances through the air filter masks the evolution of the media after being inhaled. Gas mask-style refers to the separation of harmful substances and the clean gas source, through the dynamic action such as air compressors, compressed gas cylinders and other devices, and administered to the person's face mask for breathing. Filter mask is our day-to-day work of the most widely used of a large class, the following details on the choice of such a mask and conditions of use. A filter-type mask the structure should be divided into two major parts, first, the main body of the mask, we can simply understand that it is a mask for the shelf; the other is the filter, including filters for dust-proof and anti-virus used in cotton chemical filter boxes. Therefore, the choice of filter mask to use, some of the production of home products widely to provide you with the convenience of the following, that is, you can use a mask with the principal, when the operating environment in the dust when the need for dust-proof, with the corresponding cotton filter, so you wear a dust mask; when the need for anti-toxic environment, the cotton filter off, install the corresponding chemical filter box, so it became an anti-virus masks, or Depending on your needs and provide you with a combination of more
