Cua purifiers, tseem hu ua "air cleaners", air fresheners thiab purifiers, xa mus rau cov khoom uas muaj peev xwm nqus, decompose los yog hloov ntau yam pa phem (feem ntau suav nrog kev kho kom zoo nkauj xws li PM2.5, plua plav, paj ntoos, ntxhiab tsw thiab formaldehyde, kab mob. thiab allergens) ...
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