CN95 certification is based on test standards previously developed by the CATARC research institute in its market study on the Chinese cabin air filter market. Mann+Hummel is supporting vehicle manufacturers in the certification process.

CN95 certification is based on test standards previously developed by the CATARC research institute in its market study on the Chinese cabin air filter market. Mann+Hummel is supporting vehicle manufacturers in the certification process.

Within large volume settings, HEPA air filtration systems circulate air in a laminar flow environment, removing any airborne contamination before it is re-circulated back into the environment.

CN95 certification is setting new standards in the cabin air filter market, although it is not yet a mandatory requirement for the sales of cabin air filters in China.

Is it safe to drink this water? I ask myself that question often and most of the time the answer is no. There often is the risk that bacteria, chemicals, and pathogens, specifically Giardia, are in the water. Rainwater or dew that is resting on non-poisonous plants such as moss is safe to drink as is. There are a few ways to process water to make it safe to drink: boiling it, using chemical purifiers, and filtration. This article will provide tips on how to make and use a survival water filter.

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