This cylindrical filter have the multi-function of removing formaldehyde and PM2.5. The filter paper color of this multifunctional air filter can be customized. This cylindrical air filter combines the outer layer of mesh cloth initial filtration, compact HEPA fine filtration, and adsorption decomposition of modified activated carbon, which can remove odor, TVOC, formaldehyde, and so on.

A few weeks ago, a maintenance manager asked us whether he could clean a HEPA filter instead of rep...
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