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DPRK's breathing valve dust mask

【 material 】 N95 filtering material， non-woven material， intermediate belt breathing valve (easier breathing)

[size] all yards

[weight] 20 grams

"Three services" the mask belongs to daily consumables Not in three packs of service

【 】 3 packets of time

[usage] : suitable for rubber， fur， manufacturing， batteries， chemical， mining， oil， nuclear industry， shipbuilding， arts and crafts， paper making， brewing， crystal， agriculture， petrochemical， sanitation， glass manufacturing， etc

【 characteristics 】 : wear lightweight， breathable performance is good， comfortable， have dustproof， put odor effect according to the national standard dust concentration test

As a reference， wear time is between 30 to 40 hours， wear 8 to 10 hours a day， replaced every 3 to 4 days，

【 note 】 : 1. This product does not have the respirator. Shall not be used for gas workplaces， absolutely not allowed

To use for the respirator.

2. Use this product once been slashed， will affect the protective effect Do not use.

3. This product should be keep ventilated dry during storage， prevent be affected with damp be affected with damp， moldy.

4. When using. Prohibit contact with corrosive substances.

5. A reusable， don't wash. Can graze mask surface.

(1) using pure cotton cloth as lining， effect on the wearer's skin allergy， more secure.

Activated carbon (2) ordinary gauze mask cannot purify exhaust gas， only dust filter. The mask with adsorption materials， high-tech purify all kinds of harmful gas and dust.

(3) installed metal nose clip more closely， sweat absorption power， provide and face best closed sex， make breathing more easily， feel more comfortable， a broader view.