breathing valve factory direct personal protective dust masks anti PM2.5 anti haze

The main structure of 1. products

is composed of a surface layer, filter layer, layer, ear belt, nose clip, breath valve.

* *: particulate respirator exhalation valve check valve, discharge exhaled gas masks to prevent inhalation through which gas enters into the mask through it.

2. packing number: 50 / box, 16 boxes /

The application range of 3.

1) in the public places of fog and haze, dust weather, personnel intensive, building, mining, foundry, wood processing, electronics, material treatment and grinding operations generate dust;

2) can not be used for painting and blasting operations. Can not protect harmful gases and vapors. The mask does not produce oxygen and can not be used in an environment where the oxygen concentration is less than 19.5%. Can not be used in the oil mist environment.