manufacturers supply dust-proof with valve filter mask double filter tank

Suitable for dust places, protecting the nose and mouth of workers and preventing dust inhalation.

Product Information:

  double filter tank, breathing valve design, low breathing resistance, thermoplastic material, soft and comfortable, economical and reliable

   perspiration absorbing cotton nose and mouth pads are provided to increase wearing comfort and can be clearly replaced.

  Filter material:

  different dust masks use filter material different. On the one hand, the filtration effect is related to the particle size, and it is also affected by whether the particle is oily. Dust masks are usually classified according to the filtration efficiency and whether they are suitable for filtering oily particles. Oil-free particles such as dust, water-based fog, paint mist, oil-free smoke (welding smoke), microorganisms, etc. Although the filter material of "non-oily particles" are common, they are not suitable for oily particles, such as oil mist, lampblack, asphalt smoke, coke oven smoke, etc. Filter material suitable for oily particles can also be used for non-oily particles.