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Replacement HEPA filter for Simei 858-8 manicure hood
HEPA filter is a type of high efficiency air filter, the main purpose of which is to remove fine particles from the air.
The main difference between HEPA filters and coarse and fine filters is that the particle does not have to get stuck in the fibers in order to be filtered. If a grain of dust just touches the filter material, this is enough for effective deposition. This is due to two processes: adhesion and autohesion.
HEPA filter facts:
– HEPA filter can trap particles of all sizes.
– Dust lingers in the HEPA filter almost forever.
– Over time, the effectiveness of the HEPA filter only increases.
The principle of operation of the HEPA filter:
– An air stream with dust particles of different sizes, from 10 microns and less, enters the filter.
– Large particles leave the air stream due to the effect of inertia, compact particles – due to the diffusion effect.<br
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