We also offer you product sourcing and flight consolidation expert services. We've our personal manufacturing unit and sourcing business. We can offer you virtually every variety of merchandise associated to our item range for If needed, welcome to make contact with us by our web page or phone consultation, we will be delighted to serve you.

1) Filtration efficiency: under the condition of air flow (85 ± 2) l / min, the filtration efficiency of sodium chloride aerosol with median diameter (0.24 ± 0.06) μ m in aerodynamics shall not be less than 95%, that is to say, it shall meet the grade of N95 (or FFP2) and above. It can block the air-borne infectious factors with a diameter of less than 5 μ m or close contact with the infectious factors transmitted by droplets.

2) Suction resistance: under the above flow conditions, the suction resistance shall not exceed 343.2pa (35mmh2o).

3) When the sample is sprayed to the mask under the pressure of 10.9kpa (80mmHg), the inner side of the mask shall be free of penetration and other technical indicators.

4) The mask must be equipped with a nose clip, which is made of bendable plastic material with a length of more than 8.5cm.

5) Synthetic blood is sprayed at 10.7kpa (80mmHg) pressure to the mask sample, and there should be no penetration inside the mask.

Using a total scientific good quality management process, superior high quality and excellent faith, we get great name and occupied this field for Lab 3000l co2 gas tank in afghanistan - Victank, The product will supply to all over the world, such as: Chicago, Libya, Brunei, Suriname, The company has perfect management system and after-sales service system. We devote ourselves to building a pioneer in the filter industry. Our factory is willing to cooperate with different customers domestic and overseas to gain better and better future.