AUM women's winter new warm velvet coat for 2019, respecting the natural and comfortable texture, exploring the comfortable original ecology of the velvet, the clear and weighty training and decent silhouette, giving more calmness from the inside out, becoming the first in winter A hiding place, a sustainable and comfortable warm winter life of pragmatism.
Source WeChat: AUM
What material is a HEPA filter?
HEPA filter: HEPA (High Efficiency Particulate Air Filter) filter, namely high-efficiency air purifier, is a multi-layer purification technology that can filter more than 99.97% of dust particles with a particle size exceeding 0.3 μm. HEPA filters have the characteristics of good filtering effect, good sealing performance and long service life, and are widely used in semiconductor manufacturing factories, liquid crystal electronics factories, modular clean rooms and other occasions requiring ultra-high cleanliness.
HEPA filter media is a kind of synthetic fiber material, which is made of high-performance, high-strength fibers. At the same time, advanced production technology is used to ensure its highly deepened dust holding capacity and ideal low-resistance performance. HEPA filter media compared with other filter materials, high-efficiency filter cotton has higher filtration efficiency and better performance. High-efficiency filter media has its own special structure, which can not only effectively accommodate more dust, but also effectively improve the efficiency of filtration.
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Huamaotek Nonwoven Co., Ltd , https://www.huamaotekfabric.com